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This paper records the Errant Polychaeta collected by the Chatham Islands 1954 Expedition. Details of this expedition are to be found in the account by Knox (1957) listed at the end of this paper. Additional material from the Chatham Islands in the collections of the Dominion Museum, Wellington, and the Canterbury Museum, Christchurch, has been examined, as well as the polychaetes from "Discovery II" Sta. 2733 on the Chatham Rise.
I would like to express my thanks to all members of the expedition, and in particular to Dr Elizabeth Batham and Dr R. K. Dell, who assisted in the collection and preservation of the specimens. A grant from the University of Canterbury Council enabled me to visit the British Museum to compare much of the material discussed in this paper with the collections housed there. As will be seen this enabled many points of synonymy to be cleared up. My work at the British Museum was facilitated by the friendly assistance of the officers of the Museum, particularly Mr Norman Tebble, to whom I offer my sincere thanks. A period was also spent at the Allan Hancock Foundation, University of Southern California, with Dr Olga Hartman, to whom I also express my gratitude for the assistance given. Much of the comparative material, from widespread localities throughout New Zealand, used in the preparation of this account was collected on field trips financed by grants from the Research Committee of the University of New Zealand. For this assistance I am very grateful.
New Zealand
Aglaophamus dicirris Hartman, 1945 accepted as Aglaophamus verrilli (McIntosh, 1885) (source of synonymy)
Aglaophamus maoriana [auct.] (basis of record)
Aglaophamus virginis (Kinberg, 1866) (additional source)
Antinoe epitoca Monro, 1930 (additional source)
Antinoe epitoka [auct.] accepted as Antinoe epitoca Monro, 1930 (basis of record)
Antinoe kermadecensis (McIntosh, 1885) (new combination reference)
Antinoe purpureus Knox, 1960 (original description)
Autolytus chathamensis Knox, 1960 (original description)
Eudontosyllis Knox, 1960 accepted as Eusyllis Malmgren, 1867 (original description)
Eudontosyllis aciculata Knox, 1960 accepted as Eusyllis aciculata (Knox, 1960) (original description)
Eulalia (Euphylla) Knox, 1960 accepted as Paranaitis Southern, 1914 (original description)
Eulalia (Euphylla) benthicola Knox, 1960 accepted as Paranaitis benthicola (Knox, 1960) (original description)
Eulalia (Pterocirrus) magalaensis (Kinberg, 1866) accepted as Eulalia magalaensis Kinberg, 1866 (basis of record)
Eulalia viridis capensis Schmarda, 1961 accepted as Eulalia capensis Schmarda, 1861 (additional source)
Eunice (Nicidion) curticirrus Knox, 1960 accepted as Eunice curticirrus Knox, 1960 (original description)
Eunoe iphionoides McIntosh, 1885 (additional source)
Euphione ornata Knox, 1960 (original description)
Euthalenessa digitata (McIntosh, 1885) (source of synonymy)
Harmothoe crosetensis (McIntosh, 1885) (additional source)
Hemipodus digitifera Knox, 1960 accepted as Hemipodia simplex (Grube, 1857) (original description)
Lagisca kermadecensis McIntosh, 1885 accepted as Antinoe kermadecensis (McIntosh, 1885) (source of synonymy)
Lepidametria brunnea Knox, 1960 (original description)
Lepidasthenia platylepsis Knox, 1960 (original description)
Lepidonotus ambigua Knox, 1960 (original description)
Lepidonotus purpureus Potts, 1910 (source of synonymy)
Neanthes articulata Knox, 1960 (original description)
Nereimyra blacki Knox, 1960 accepted as Oxydromus blacki (Knox, 1960) (original description)
Nereis antipoda Knox, 1960 (original description)
Nereis delli Knox, 1960 (original description)
Odontosyllis maorioria Knox, 1960 (original description)
Panthalis novaezealandiae Knox, 1960 (original description)
Phyllodoce (Genetyllis) gracilis Kinberg, 1866 accepted as Phyllodoce gracilis Kinberg, 1866 (new combination reference)
Phyllodoce mernoensis Knox, 1960 (original description)
Pseudeurythoe minuta Knox, 1960 accepted as Linopherus minuta (Knox, 1960) (original description)
Sthenelais chathamensis Knox, 1960 (original description)
Syllis (Typosyllis) attenuata Knox, 1960 accepted as Typosyllis attenuata (Knox, 1960) (original description)
Syllis (Typosyllis) coruscans Haswell, 1886 accepted as Megasyllis corruscans (Haswell, 1886) (additional source)
Syllis (Typosyllis) tristanensis Day, 1954 accepted as Syllis hyalina Grube, 1863 (basis of record)
Syllis corruscans Haswell, 1886 accepted as Megasyllis corruscans (Haswell, 1886) (source of synonymy)
Syllis tristanensis Day, 1954 accepted as Syllis hyalina Grube, 1863 (new combination reference)
Thalenessa digitata McIntosh, 1885 accepted as Euthalenessa digitata (McIntosh, 1885) (basis of record)
Thalenessa fimbriata McIntosh, 1885 accepted as Euthalenessa fimbriata (McIntosh, 1885) (source of synonymy)
Trypanosyllis richardi Gravier, 1900 accepted as Trypanosyllis taeniaeformis (Haswell, 1886) (source of synonymy)
Trypanosyllis taeniaeformis (Haswell, 1886) (additional source)
Holotype CMNZ, geounit Chatham Islands, New Zealand, identified as Eudontosyllis aciculata Knox, 1960
Original diagnosis by Knox (1060: 105): "Palps fused at the base, an occipital flap present, antennae and cirri ... [details]
Southern Pacific Ocean: Chatham Islands (Hanson Bay). Known only fro the type locality. [details]
South Pacific: Mernoo Bank (off east New Zealand); Hanson Bay (Chatham Island); The Sisters (Chatham Islands). [details]
Port Jackson (New South Wales), Australia. Later the species has been recorded from the New Zealand region (eg ... [details]
Both McIntosh's and Knox's specimens have weak cephalic peaks, unlike the Antinoe type, and the elytra of Knox's ... [details]
Not stated by the author. The generic name Eudontosyllis refers likely to the presence of "a large, blunt, ... [details]
Not explicitly stated in the original decription. The specific epithet aciculata is a New Latin adjective meaning ... [details]
Coarse bryozoan and mollusc shell sands, and limestone, intertidal to circalittoral depths. [details]
Nomen nudum. Was to appear in a Knox manuscript "A review of the genus Aglaophamus (Polychaeta : Nephthyidae)" but ... [details]
Nomen nudum. Was to appear in a Knox manuscript "A review of the genus Aglaophamus (Polychaeta : Nephthyidae)" but ... [details]
Knox (1960) combined a masculine noun, 'cirrus' to form the compound specific name. He did not use a commonly used ... [details]
The laconic suggested synonymy in Knox 1960 (where 'dicirris' is misspelled 'dicirrus') has nevertheless been ... [details]
Hanson Bay, Chatham Islands, New Zealand, Southern Pacific Ocean (-44.0°, 176.35°). [details]
East of Forty Fours rocks, Chatham Islands, New Zealand, -44.06667, -175.3917, 238 m [details]
Off Owenga, Chatham Islands, New Zealand, 8 m, no geocoordinates given [details]
Antipodes Islands, New Zealand subantarctic. Antipodes Islands only, with no Chatham Island occurrences. [details]
Chatham Rise, off New Zealand, near to and to the west of Chatham Islands, holotype -44.0667, -177.3167 (44 04' S, ... [details]
