WoRMS source details

Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.
131442
10.1007/978-1-4899-5760-3 [view]
Loeblich, A. R.; Tappan, H.
1987
Foraminiferal Genera and their Classification
Van Nostrand Reinhold Company, New York. 970pp.
Publication
Date of publication 1987 not 1988, see: Loeblich, A. R.; Tappan, H., (1989), Publication date of “Foraminiferal Genera and Their Classification
Available for editors  PDF available [request]
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Le Coze, François

Abadehella Okimura & Ishii, 1975 † (basis of record)
Abadehellidae Loeblich & Tappan, 1984 † accepted as Tetrataxidae Galloway, 1933 nom. transl. Pokorný, 1958 † (basis of record)
Abathomphalinae Pessagno, 1967 † (basis of record)
Abathomphalus Bolli, Loeblich & Tappan, 1957 † (basis of record)
Abditodentrix Patterson, 1985 (additional source)
Abditodentrix pseudothalmanni (Boltovskoy & Guissani de Kahn, 1981) (new combination reference)
Aboudaragina Nakkady, 1955 † (status source)
Abriolina Luperto, 1964 † (status source)
Abyssamina Schnitker & Tjalsma, 1980 † (basis of record)
Acarinina Subbotina, 1953 † (basis of record)
Acervoschwagerina Hanzawa, 1949 † (basis of record)
Acervulina Schultze, 1854 (additional source)
Acervulinidae Schultze, 1854 (additional source)
Acervulinoidea Schultze, 1854 (additional source)
Acostina Bermúdez, 1949 (basis of record)
Actinocyclina Gümbel, 1870 † accepted as Discocyclina Gümbel, 1870 † (basis of record)
Actinosiphon Vaughan, 1929 † (basis of record)
Actinosiphon tibetica (Douvillé, 1916) † accepted as Lakadongia tibetica (Douvillé, 1916) † (new combination reference)
Adelosina d'Orbigny, 1826 (additional source)
Adelosina bicornis (Walker & Jacob, 1798) (new combination reference)
Adhaerentina Paalzow, 1935 † (status source)
Adherentina Spandel, 1909 † (status source)
Adrahentina Bilotte, 1978 † (basis of record)
Aeolides Montfort, 1808 (status source)
Aeolisaccus G.F.Elliott, 1958 † accepted as Earlandia Plummer, 1930 † (basis of record)
Aeolomorphella Loeblich & Tappan, 1964 † (basis of record)
Aeolostreptis Loeblich & Tappan, 1957 † (basis of record)
Affinetrina Łuczkowska, 1972 (additional source)
Afghanella Thompson, 1946 † (basis of record)
Afrobolivina Reyment, 1959 † (basis of record)
Agathammina Neumayr, 1887 † (additional source)
Agglutinella El-Nakhal, 1983 (additional source)
Akiyoshiella Toriyama, 1953 † (basis of record)
Aktinorbitoides Brönnimann, 1958 † (basis of record)
Alabamina Toulmin, 1941 (additional source)
Alabaminella Saidova, 1975 (additional source)
Alabaminidae Hofker, 1951 (additional source)
Alabaminoides Gudina & Saidova, 1967 (additional source)
Alanwoodia Loeblich & Tappan, 1955 (additional source)
Alexanderina McCulloch, 1977 (additional source)
Alfredina Singh & Kalia, 1972 † (basis of record)
Alfredinidae Singh & Kalia, 1972 accepted as Anomalinidae Cushman, 1927 (additional source)
Alfredosilvestris Andersen, 1961 (additional source)
Allanhancockia McCulloch, 1977 (basis of record)
Alliatina Troelsen, 1954 (additional source)
Alliatinella Carter, 1957 (additional source)
Alliatininae McGowran, 1966 (basis of record)
Allogromia Rhumbler, 1904 (additional source)
Allogromiida (additional source)
Allogromiidae Rhumbler, 1904 (additional source)
Allogromiinae Rhumbler, 1904 (basis of record)
Allomorphina Reuss in Cžjžek, 1849 (additional source)
Allomorphinella Cushman, 1927 † (additional source)
Allotheca Ehrenberg, 1843 † (status source)
Almaena Samoilova, 1940 † (basis of record)
Almaenidae Myatlyuk, 1959 (additional source)
Almaeninae Myatlyuk, 1959 † (basis of record)
Alpinophragmium Flügel, 1967 † (basis of record)
Altasterella Seiglie, 1965 † (basis of record)
Altinerina Zaninetti, Ciarapica, Decrouez & Miconnet, 1984 † (basis of record)
Altinerininae Zaninetti, Ciarapica, Decrouez & Miconnet, 1984 † (basis of record)
Altistoma de Klasz & Rérat, 1962 † (basis of record)
Alveoclavulina Singh & Kalia, 1977 † (status source)
Alveolina d'Orbigny, 1826 † (additional source)
Alveolinella H. Douvillé, 1907 (additional source)
Alveolinidae Ehrenberg, 1839 (additional source)
Alveolinoidea Ehrenberg, 1839 (additional source)
Alveolophragmiinae Saidova, 1981 (basis of record)
Alveovalvulina Brönnimann, 1951 † (basis of record)
Ambitropus Lipps, 1965 (basis of record)
Ammoelphidiella Conato & Segre, 1974 † (basis of record)
Ammomassilina Cushman, 1933 (additional source)
Ammonia Brünnich, 1771 (additional source)
Ammoniinae Saidova, 1981 (basis of record)
Ammoscalaria Höglund, 1947 (additional source)
Ammosiphonia He, 1977 † (basis of record)
Ammosphaeroidininae Cushman, 1927 (basis of record)
Ammosphaerulina Cushman, 1912 (additional source)
Ammotrochoides Janin, 1984 (additional source)
Ammovertellina diversa (Cushman & Waters, 1930) † accepted as Hemigordiellina diversa (Cushman & Waters, 1930) † (new combination reference)
Amphicoryna Schlumberger in Milne-Edwards, 1881 (additional source)
Amphimorphina Neugeboren, 1850 † (additional source)
Amphimorphina butonensis (Keyzer, 1953) † accepted as Amphimorphinella butonensis Keyzer, 1953 † (new combination reference)
Amphisorus Ehrenberg, 1839 (additional source)
Amphistegina d'Orbigny, 1826 (additional source)
Amphisteginidae Cushman, 1927 (additional source)
Amplectoproductina Patterson, 1986 † accepted as Amplectoductina Patterson, 1986 † (basis of record)
Anaticinella Eicher, 1973 † (basis of record)
Anchihauerina McCulloch, 1977 (basis of record)
Andrejella Malakhova, 1975 † (basis of record)
Androsina Lévy, 1977 (additional source)
Angotia Cuvillier, 1963 † (basis of record)
Angulodiscorbis Uchio, 1952 (additional source)
Angulodiscus Kristan, 1957 † (basis of record)
Angulogavelinella Hofker, 1957 † (basis of record)
Angulogerina Cushman, 1927 accepted as Trifarina Cushman, 1923 (additional source)
Angulogerininae Galloway, 1933 (basis of record)
Annulina Terquem, 1862 † (status source)
Annulocibicides Cushman & Ponton, 1932 (additional source)
Annulocibicidinae Saidova, 1981 (basis of record)
Bikini for Neocassidulina evoluta McCulloch, 1977 
Falkland Islands Exclusive Economic Zone for Cruciloculina triangularis d'Orbigny, 1839 
Galapagos Exclusive Economic Zone for Mesopatellina differens McCulloch, 1977 
Mexican part of the North Pacific Ocean for Paralingulina frailensis McCulloch, 1977 
Peruvian Exclusive Economic Zone for Neolingulina viejoensis McCulloch, 1977 
Philippines Exclusive Economic Zone for Praepatellina simplissima McCulloch, 1977 
Socorro Island for Neohauerina socorroensis McCulloch, 1977 
 Description
 for Neoschwagerinidae Dunbar & Condra, 1927 nom. transl. Dunbar in Cushman, 1948 †

Test fusiform to subcylindrical; transverse septula always present, axial septula may occur, as may secondary ... [details]
 Description
 for Palaeospiroplectamminidae Loeblich & Tappan, 1984 †

Test streptospirally coiled in the initial part, later planispiral and finally biserial; wall microgranular ... [details]
 Description
 for Verbeekinidae Staff & Wedekind, 1910 †

Test large, subspherical to cylindrical; planispiral, completely involute; wall of tectum and alveolar keriotheca ... [details]
 Diagnosis
 for Aaptotoichus Loeblich & Tappan, 1982 †

Short biserial stage followed by longer uniserial portion of broad low chambers; wall of fine siliceous ... [details]
 Diagnosis
 for Abadehella Okimura & Ishii, 1975 †

Test conical, large, up to 1.35 mm in diameter at the concave base, trochospirally, numerous whorls, up to twenty, ... [details]
 Diagnosis
 for Abathomphalinae Pessagno, 1967 †

Test trochospiral, umbilical side lacking the wide umbilicus of the Globotruncaninae; early chambers with porticus, ... [details]
 Diagnosis
 for Abathomphalus Bolli, Loeblich & Tappan, 1957 †

Test in a low to flat trochospiral, umbilicate, four to five petaloid chambers per whorl, sutures curved and ... [details]
 Diagnosis
 for Abditodentrix Patterson, 1985

Test elongate, saggitiform, sides flattened, edges truncate, biserial throughout, chambers enlarging gradually, ... [details]
 Diagnosis
 for Abdullaevia Suleymanov, 1965 †

Test fusiform, compressed, oval in section, chambers biserially arranged, high, and laterally strongly overlapping ... [details]
 Diagnosis
 for Abrardia Neumann & Damotte, 1960 †

Test a high cone, up to 1 mm in height, base flat and circular, reduced early trochospiral stage followed by ... [details]
 Diagnosis
 for Abyssamina Schnitker & Tjalsma, 1980 †

Test small, 0.2 mm to 0.3 mm in diameter, globular to slightly compressed, low trochospiral to nearly planispiral ... [details]
 Diagnosis
 for Acarinina Subbotina, 1953 †

Test subglobular, close coiled, low trochospiral, four to five subglobular to ovate rapidly enlarging chambers per ... [details]
 Diagnosis
 for Accordiella Farinacci, 1962 †

Test large, conical, trochospiral, about three chambers per whorl spiralling about a broad axial region, chamber ... [details]
 Diagnosis
 for Acervoschwagerina Hanzawa, 1949 †

Test large, may exceed 18 mm in length, robustly fusiform, poles rounded to bluntly pointed, axis of coiling ... [details]
 Diagnosis
 for Acervulina Schultze, 1854

Test attached, early chambers coiled, later with irregularly arranged inflated chambers encrusting the substrate; ... [details]
 Diagnosis
 for Acervulinidae Schultze, 1854

Early spiral stage followed by spreading chambers in one or more layers; no aperture other than mural pores. ... [details]
 Diagnosis
 for Acervulinoidea Schultze, 1854

Test free or attached, early spiral stage followed by spreading or irregular chambers in an irregular mass, mound, ... [details]
 Diagnosis
 for Aciculella Vyalov, 1968 †

Test very narrow and elongate, up to 3 cm in length and 0.5 mm to 1 mm in breadth, tapering to a needlelike base; ... [details]
 Diagnosis
 for Acostina Bermúdez, 1949

Test elongate, pyramidal, triangular in section, angles carinate, chambers increasing rapidly in breadth but slowly ... [details]
 Diagnosis
 for Acruliammina Loeblich & Tappan, 1946

Test attached, at least for the closely enrolled early stage, later uncoiled and rectilinear, and may grow free of ... [details]
 Diagnosis
 for Actinocyclina Gümbel, 1870 †

Test up to 12 mm in diameter, thin and lenticular, discoidal to stellate in outline, structure similar to ... [details]
 Diagnosis
 for Actinosiphon Vaughan, 1929 †

Test small to large, lenticular, equatorial chambers and well-developed lateral chambers present, megalospheric ... [details]
 Diagnosis
 for Acupeina Brönnimann & Zaninetti, 1984

Test elongate, large, up to 1.35 mm in length, early stage with large streptospiral coil of about three whorls, ... [details]
 Diagnosis
 for Acupeinidae Brönnimann & Zaninetti, 1984

Test streptospiral in the early stage, later uncoiling and rectilinear; wall agglutinated, thin, a single layer of ... [details]
 Diagnosis
 for Adelosina d'Orbigny, 1826

Test of the microspheric generation quinqueloculine in the early stage, megalospheric test with proloculus followed ... [details]
 Diagnosis
 for Adelungia Suleymanov, 1966 †

Test small, ovoid but slightly compressed chambers in an arcuate series or straightening from an initially hooked ... [details]
 Diagnosis
 for Adercotryma Loeblich & Tappan, 1952

Test subglobular to slightly elongated along the axis of coiling, streptospirally enrolled, chambers few per whorl, ... [details]
 Diagnosis
 for Adhaerentia Plummer, 1938 †

Test elongate, proloculus attached to a substrate, usually to Lenticulina or another foraminiferal test, then ... [details]
 Diagnosis
 for Adhaerentiinae Loeblich & Tappan, 1986

Test attached, chambers of early stage biserial, later rectilinear; wall agglutinated, solid. L. Paleocene ... [details]
 Diagnosis
 for Adrahentina Bilotte, 1978 †

Test large, up to about 2 mm in diameter, ovoid to subspherical, megalospheric test with large globular proloculus, ... [details]
 Diagnosis
 for Aeolisaccus G.F.Elliott, 1958 †

Test elongate, tubular, and slightly tapering, straight to gently curved; wall thin, of crystalline calcite, ... [details]
 Diagnosis
 for Aeolomorphella Loeblich & Tappan, 1964 †

Test elongate, robust, circular to oval in section, early stage with up to six chambers per whorl in a close-coiled ... [details]
 Diagnosis
 for Aeolostreptis Loeblich & Tappan, 1957 †

Test ovate in outline, circular in section, base bluntly rounded, early stage in a low trochospiral coil of about ... [details]
 Diagnosis
 for Affinetrina Łuczkowska, 1972

Test ovate in outline, flattened to ovate in section, chambers one-half coil in length, triloculine in chamber ... [details]
 Diagnosis
 for Afghanella Thompson, 1946 †

Test small, up to about 4 mm in length, fusiform to inflated, adult test with about thirteen whorls, straight axis ... [details]
 Diagnosis
 for Afrobolivina Reyment, 1959 †

Test large, elongate, ovate to lanceolate in side view, rounded to ovate in section, chambers broad and low, ... [details]
 Diagnosis
 for Agathammina Neumayr, 1887 †

Test ovate, globular proloculus followed by enrolled undivided tubular second chamber of few gradually enlarging ... [details]
 Diagnosis
 for Agathamminoides Vangerow, 1964 †

Test flattened, ovate in outline, proloculus followed by undivided tubular second chamber with a milioline coil ... [details]
 Diagnosis
 for Aggerostramen Loeblich & Tappan, 1985

Test in the early stage with a few angular, tetrahedral, or conical chambers attached to other foraminifers, later ... [details]
 Diagnosis
 for Agglutinella El-Nakhal, 1983

Test ovate in outline, chambers one-half coil in length, early stage quinqueloculine, later stage pseudotriloculine ... [details]
 Diagnosis
 for Agglutisolena Senowbari-Daryan, 1984 †

Test small, subconical, early stage uncertain, possibly trochospiral, later with broad low inflated chambers, ... [details]
 Diagnosis
 for Akiyoshiella Toriyama, 1953 †

Test of small to medium size, up to 7.0 mm in length, spherical to ovoid proloculus followed by three to four early ... [details]
 Diagnosis
 for Aktinorbitoides Brönnimann, 1958 †

Test lenticular, outline stellate, juvenarium of planispirally coiled chambers with basal aperture and not ... [details]
 Diagnosis
 for Alabamina Toulmin, 1941

Test trochospiral, lenticular, and biconvex, spiral side evolute, with three whorls and about five chambers in the ... [details]
 Diagnosis
 for Alabaminella Saidova, 1975

Test tiny, trochospiral, biconvex, more convex spiral side with broad low chambers and oblique sutures, five to six ... [details]
 Diagnosis
 for Alabaminidae Hofker, 1951

Test trochospiral; aperture an interiomarginal slit partially obscured by an infolded area of the apertural face. ... [details]
 Diagnosis
 for Alabaminoides Gudina & Saidova, 1967

Test circular in outline, trochospiral, two and a half to three whorls, concavoconvex, spiral side evolute and ... [details]
 Diagnosis
 for Alanwoodia Loeblich & Tappan, 1955

Test free, a high cone with flattened base, globular proloculus followed by trochospirally coiled undivided broad ... [details]
 Diagnosis
 for Alexanderina McCulloch, 1977

Test circular in outline, trochospiral, concavoconvex, with evolute, low, convex spiral side of three and a half ... [details]
 Diagnosis
 for Alfredina Singh & Kalia, 1972 †

Test ovate in outline, flattened, coiled in a low trochospiral, convex spiral side with few rapidly expanding ... [details]
 Diagnosis
 for Alfredinidae Singh & Kalia, 1972

Supplementary chambers in umbilical region on umbilical side; areal and interiomarginal openings present. M. Eocene, ... [details]
 Diagnosis
 for Alfredosilvestris Andersen, 1961

Test small, about 0.5 mm to 0.6 mm in length, uniserial and rectilinear, early chambers flattened, arched, and ... [details]
 Diagnosis
 for Allanhancockia McCulloch, 1977

Test ovate in outline, compressed, lenticular to ovate in section, chambers biserially arranged, low and broad, ... [details]
 Diagnosis
 for Alliatina Troelsen, 1954

Test almost planispiral but slightly asymmetrical and tending to coil dextrally, partially evolute, chambers ... [details]
 Diagnosis
 for Alliatinella Carter, 1957

Test auriculate in outline, somewhat compressed and biconcave, resembling Alliatina but distinctly trochospiral, ... [details]
 Diagnosis
 for Alliatininae McGowran, 1966

Robertinidae with nearly planispiral coiling. L. Eocene (Ypresian) to Holocene. (Loeblich & Tappan, 1987, ... [details]
 Diagnosis
 for Allogromia Rhumbler, 1904

Test free, ovate to spherical, 0.08 mm to 0.5 mm in length; wall thin, proteinaceous, with fibrillar ... [details]
 Diagnosis
 for Allogromiidae Rhumbler, 1904

Test proteinaceous or may have agglutinated matter on a proteinaceous base that in Allogromia is produced by ... [details]
 Diagnosis
 for Allogromiinae Rhumbler, 1904

Test globular, ovate, or elongate, wall proteinaceous; aperture terminal, living taxa commonly with entosolenian ... [details]
 Diagnosis
 for Allomorphina Reuss in Cžjžek, 1849

Test ovoid, circular in section, trochospiral and involute, only the final whorl of three strongly enveloping ... [details]
 Diagnosis
 for Allomorphinella Cushman, 1927 †

Test ovoid, slightly compressed, planispiral and involute, with few rapidly enlarging chambers, periphery rounded; ... [details]
 Diagnosis
 for Almaena Samoilova, 1940 †

Test laterally compressed, enrolled in a low trochospiral to nearly planispiral coil, bievolute, commonly eight to ... [details]
 Diagnosis
 for Almaenidae Myatlyuk, 1959

Test nearly planispiral; primary aperture interiomarginal, equatorial, or located slightly to umbilical side, ... [details]
 Diagnosis
 for Almaeninae Myatlyuk, 1959 †

Test partly or wholly evolute; primary aperture interiomarginal or areal, and secondary apertures peripheral. L. ... [details]
 Diagnosis
 for Alpillina Foury, 1968 †

Test conical, with flattened to concave base, megalospheric generation with embryonic apparatus consisting of ... [details]
 Diagnosis
 for Alpinophragmium Flügel, 1967 †

Test probably encrusting, irregularly cylindrical to subconical or spreading; chambers numerous, uniserial, broad, ... [details]
 Diagnosis
 for Altinerina Zaninetti, Ciarapica, Decrouez & Miconnet, 1984 †

Test small, upto0.3mmindiameter, weakly conical to subspherical?, short early irregular trochospiral or ... [details]
 Diagnosis
 for Altinerininae Zaninetti, Ciarapica, Decrouez & Miconnet, 1984 †

Test low conical to subspherical?, early enrolled stage trochospiral or streptospiral, evolute, then irregular and ... [details]
 Diagnosis
 for Altistoma de Klasz & Rérat, 1962 †

Test elongate, rapidly widening, ovoid in section, chambers biserially arranged, or possibly with a very short ... [details]
 Diagnosis
 for Alveocyclammina Hillebrandt, 1971 †

Test enrolled, planispiral, and involute, slightly flattened, with broadly rounded periphery; wall agglutinated, ... [details]
 Diagnosis
 for Alveolina d'Orbigny, 1826 †

Test ellipsoidal to fusiform or cylindrical, rarely spherical, coiling irregular in early stage of microspheric ... [details]
 Diagnosis
 for Alveolinella H. Douvillé, 1907

Test elongate fusiform, increasing in proportionate length with growth, early coiling irregular in both ... [details]
 Diagnosis
 for Alveolinidae Ehrenberg, 1839

Test free, commonly large, globular, fusiform, or subcylindrical, coiled about elongate axis; proloculus followed ... [details]
 Diagnosis
 for Alveolinoidea Ehrenberg, 1839

Test enrolled, commonly about an elongate axis, proloculus may be followed by flexostype in megalospheric ... [details]
 Diagnosis
 for Alveolophragmiinae Saidova, 1981

Test planispiral, involute, may uncoil in later stage; wall agglutinated, with outer imperforate layer and inner ... [details]
 Diagnosis
 for Alveolophragmium Shchedrina, 1936

Test planispirally enrolled, involute, relatively few chambers per whorl, sutures radial, periphery broadly rounded; ... [details]
 Diagnosis
 for Alveosepta Hottinger, 1967 †

Test coiled, microspheric early stage streptospiral, megalospheric test and microspheric adult planispiral, adult ... [details]
 Diagnosis
 for Alveovalvulina Brönnimann, 1951 †

Test with early trochospiral stage of three or more chambers per whorl, later reduced to triserial, chambers ... [details]
 Diagnosis
 for Alzonella Bernier & Neumann, 1970 †

Test with microspheric initial stage planispiral and evolute, later flabelliform or less commonly reniform to ... [details]
 Diagnosis
 for Ambitropus Lipps, 1965

Test ovate in outline, trochospiral, flattened to planoconvex, spiral side flat, with all of the two and a half ... [details]
 Diagnosis
 for Amijiella Loeblich & Tappan, 1985 †

Test elongate, adult subcylindrical, very early stage planispirally enrolled, followed by uniserial and rectilinear ... [details]
 Diagnosis
 for Ammoastuta Cushman & Brönnimann, 1948

Test compressed, ovate to flabelliform proloculus followed by second chamber growing in opposite direction, in an ... [details]
 Diagnosis
 for Ammoastutinae Loeblich & Tappan, 1984

Test compressed, ovate to flabelliform in outline, early chambers in slightly arcuate uniserial series, later ... [details]
 Diagnosis
 for Ammobaculinus Saidova, 1975

Test robust, up to 1 mm in length, with few large chambers, at first in streptospiral coil as in Recurvoides, later ... [details]
 Diagnosis
 for Ammobaculites Cushman, 1910

Test free, elongate, early portion close coiled, later uncoiling and rectilinear, rounded in section; wall coarsely ... [details]
 Diagnosis
 for Ammobaculoides Plummer, 1932 †

Test free, elongate, narrow, slightly compressed, early chambers planispirally enrolled, later biserial, and ... [details]
 Diagnosis
 for Ammocibicides Earland, 1934

Test attached, early chambers in an irregular planispiral series, later uncoiled, with chambers flattened against ... [details]
 Diagnosis
 for Ammocibicoides Saidova, 1975

Test attached, trochospirally enrolled, differing from Ammocibicides in the absence of an uncoiled stage, spiral ... [details]
 Diagnosis
 for Ammocycloloculina Maync, 1958 †

Test free, discoidal, large, up to more than 14 mm in diameter and 0.71 mm thick near the periphery, with early ... [details]
 Diagnosis
 for Ammodiscella Ireland, 1956 †

Test attached, proloculus followed by planispirally enrolled tubular undivided second chamber, final whorls ... [details]
 Diagnosis
 for Ammodiscidae Reuss, 1862

Globular proloculus followed by coiled or uncoiled nonseptate tubular second chamber that may show irregular growth ... [details]
 Diagnosis
 for Ammodiscinae Reuss, 1862

Proloculus followed by tubular chamber, tightly enrolled in a single plane or early stage may be slightly ... [details]
 Diagnosis
 for Ammodiscoidea Reuss, 1862

Test consisting of proloculus followed by enrolled, nonseptate tubular second chamber; aperture at the open end of ... [details]
 Diagnosis
 for Ammodiscoides Cushman, 1909

Proloculus followed by undivided enrolled tubular second chamber that may be tightly appressed against the previous ... [details]
 Diagnosis
 for Ammodiscus Reuss, 1862

Globular proloculus followed by planispirally enrolled, undivided tubular second chamber, tightly appressed against ... [details]
 Diagnosis
 for Ammoelphidiella Conato & Segre, 1974 †

Test large and robust, chambers in low trochospiral coil of two and a half to three and a half whorls, six to seven ... [details]
 Diagnosis
 for Ammoflintina Earland, 1934

Test free, roughly triangular in outline, somewhat irregularly planispiral with one or two whorls, each with three ... [details]
 Diagnosis
 for Ammoglobigerina Eimer & Fickert, 1899

Test free, trochospiral, with subglobular chambers increasing rapidly in size as added, few per whorl; wall thin, ... [details]
 Diagnosis
 for Ammolagena Eimer & Fickert, 1899

Test commonly attached to shell fragments or to other foraminifers, up to 1mm in length, large ovoid proloculus ... [details]
 Diagnosis
 for Ammomarginulina Wiesner, 1931

Test elongate, strongly compressed; enrolled and planispiral in early stage, later uncoiled and rectilinear with ... [details]

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