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Delgado-Blas, Víctor Hugo ; Díaz-Díaz, Oscar. (2016). Redescription of two species and five new species of Dispio Hartman, 1951 (Spionidae: Polychaeta) from the eastern Pacific Coast and Caribbean Sea, with a review of the genus. Zootaxa. 4178(1): 151-181.
259020
10.11646/zootaxa.4178.2.1 [view]
urn:lsid:zoobank.org:pub:C533EE2A-5831-49A2-A4ED-2E7CD94EC663 [view]
Delgado-Blas, Víctor Hugo ; Díaz-Díaz, Oscar
2016
Redescription of two species and five new species of <em>Dispio</em> Hartman, 1951 (Spionidae: Polychaeta) from the eastern Pacific Coast and Caribbean Sea, with a review of the genus
Zootaxa
4178(1): 151-181
Publication
World Polychaeta Database (WPolyDb)
Available for editors  PDF available [request]
Available type material of Dispio uncinata Hartman, 1951 and D. mororoi Gibbs, 1971, as well as newly collected material from Venezuela and material deposited in the Los Angeles County Museum of Natural History, was examined. Several important differences were found between D. uncinata, D. mororoi, the new material deposited in the museum and the newly collected material from Venezuela, Panama and California. Dispio uncinata and D. mororoi are redescribed and five new species are also identified and described: D. anauncinata sp. nov., D. lenislamellata sp. nov., and D. longibranchiata sp. nov. are from Southern California, D. panamensis sp. nov. from Panama, and D. bescanzae sp. nov. from Venezuela. Morphological differences between species were recorded, particularly in reference to the shape of prostomium, and caruncle, size of peristomium, shape of notopodial and neuropodial postchaetal lamellae, branchiae from anterior chaetigers fused completely or partially to the notopodial lamellae, presence or abscent of accessory branchial pairs, structure of notopodial and neuropodial chaetae, notopodial and neuropodial lamellae overlapping or touching and other consistent characters. Results of the review of the material from Southern California indicates that D. uncinata is not found in this area of the Pacific, and we recommend that the wide distribution of this species should be taken with caution especially for those distant records from the type locality. A key to all species of Dispio is provided.
America, Central
America, North
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2016-10-25 01:25:45Z
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Read, Geoffrey

Holotype ECOSUR 0178, geounit Paria, Gulf of, identified as Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016
Paratype ECOSUR 0179, geounit Paria, Gulf of, identified as Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016
Holotype LACM AHF POLY 6233, geounit Culebra Point, identified as Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6233/1, geounit Culebra Point, identified as Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016
Holotype LACM AHF POLY 6237, geounit Southern California Bight, identified as Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6237/1, geounit Southern California Bight, identified as Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016
Holotype LACM AHF POLY 6238, geounit Southern California Bight, identified as Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6238/1, geounit Southern California Bight, identified as Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6239, geounit Los Angeles County, identified as Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016
Holotype LACM AHF POLY 6242, geounit Santa Barbara, identified as Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6243, geounit La Jolla, identified as Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016
Paratype LACM AHF POLY 6244, geounit La Jolla, identified as Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016
 Depth range
 for Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016

Intertidal to 28.8 m. [details]
 Depth range
 for Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016

Shallow subtidal depths. [details]
 Depth range
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

Subtidal depths, to 5.4 m. [details]
 Depth range
 for Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016

7.2 m. [details]
 Depth range
 for Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016

5 cm deep in a sandy beach. [details]
 Depth range
 for Dispio uncinata Hartman, 1951

Intertidal. Recorded from the intertidal to 92 m depth, but some of these records need to be re-examined. [details]
 Distribution
 for Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016

Northeastern Pacific, USA: California (counties of Santa Barbara and Los Angeles). [details]
 Distribution
 for Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016

Atlantic coast of Venezuela (Gulf of Paria; Gulf of Cariaco). [details]
 Distribution
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

Northeastern Pacific: California (region near the border between USA and Mexico). [details]
 Distribution
 for Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016

Northeastern Pacific: California (region near the border between USA and Mexico). [details]
 Distribution
 for Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016

Pacific Ocean: Panama (Punta Culebra). [details]
 Distribution
 for Dispio uncinata Hartman, 1951

Western Atlantic Ocean: Massachusetts to Florida; Gulf of Mexico, Caribbean Sea. Records from other localities ... [details]
 Editor's comment
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

The type locality is stated by the authors to correspond to ''Sta. 6241-59'' of the Cruise R/V Velero IV, when it ... [details]
 Etymology
 for Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016

The specific epithet anauncinata is composed by the Greek prefix ana-, meaning 'similar to', followed by the ... [details]
 Etymology
 for Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016

''The species is named after Díaz-Díaz's mother-in-law, who recently passed away, and is dedicated to her and all ... [details]
 Etymology
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

The specific epithet lenislamellata is composed by the Latin adjectives lenis, meaning 'smooth', and lamellata, ... [details]
 Etymology
 for Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016

The specific epithet longibranchiata is a New Latin ajective meaning 'having long branchiae', and is composed by ... [details]
 Etymology
 for Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016

The specific epithet panamensis is a New Latin adjective and refers to the type locality of the species, indicating ... [details]
 Habitat
 for Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016

Sandy sediments and tide pools, at intertidal to subtidal depths. [details]
 Habitat
 for Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016

Very fine sand and soft sediments in general, at shallow subtidal depths. [details]
 Habitat
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

Coarse gray sand, at subtidal depths. [details]
 Habitat
 for Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016

Medium-grained gray sand, at subtidal depths. [details]
 Habitat
 for Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016

Sandy beach, quartz sand (80% fine, 19% medium sand, 1% shell fragments). [details]
 Habitat
 for Dispio uncinata Hartman, 1951

Intertidal sandy beaches. [details]
 Reproduction
 for Dispio uncinata Hartman, 1951

Ovigerous segments from about chaetiger 52 to end of the fragment in paratype (LACM AHF POLY 0635). Eggs are large, ... [details]
 Type locality
 for Dispio anauncinata Delgado-Blas & Díaz-Díaz, 2016

Carpinteria State Beach, Carpinteria, Santa Barbara County, Southern California Bight, California, USA, NE Pacific ... [details]
 Type locality
 for Dispio bescanzae Delgado-Blas & Díaz-Díaz, 2016

Güiria, Gulf of Paria, Atlantic coast of Venezuela (10.5661, -62.7392), shallow subtidal, soft sediment. [details]
 Type locality
 for Dispio lenislamellata Delgado-Blas & Díaz-Díaz, 2016

San Diego County, 0.3 miles, 270° T from the US-Mexico Border Monument, California, USA, Southern California ... [details]
 Type locality
 for Dispio longibranchiata Delgado-Blas & Díaz-Díaz, 2016

San Diego County, 0.5 miles, 270° T from the US-Mexico Border Monument, California, USA, Southern California ... [details]
 Type locality
 for Dispio panamensis Delgado-Blas & Díaz-Díaz, 2016

Punta Culebra, Naos Island, Panama, Eastern Pacific (8.9131°, -79.5294°), 0.05 m deep in a sandy beach of quartz ... [details]

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