Polychaeta taxon details
original description
Hartman, Olga. (1936). A review of the Phyllodocidae (Annelida Polychaeta) of the coast of California, with descriptions of nine new species. <em>University of California Publications in Zoology.</em> 41(10): 117-132. page(s): 130-131, figs. 40-42 [details] Available for editors [request]
Syntype NHMUK 1936.11.19.12, geounit Dillon Beach [details]
Syntype NHMUK 1936.9.30.18-19, geounit Dillon Beach [details]
Syntype USNM 20338, geounit Dillon Beach [details]
From editor or global species database
Depth range Intertidal to shallow water. [details]
Distribution Pacific Ocean: central California (USA). [details]
Etymology Not stated. The specific epithet dilatae seems to be the participle of the Latin verb dilato, meaning 'to enlarge' or 'to expand', and refers presumably to the "anterior dilated region [of the specimens] extending through about 20 to 25 segments posterior to the first segments" (Hartman, 1936: 130). This "presence of an anterior dilated region of the body" (Hartman, 1936: 131) is considered to be one of the distinctive features of the species. [details]
Habitat Clean sandy beaches. [details]
Type locality Hartman (1936: 130) refers the type locality as "sandy beaches at outer side of Bodega sand spit, Sonoma County" (central California, Pacific coast of the USA; gazetteer estimate 38.312°, -123.046°). However, the type material deposited at the USNM and the NHMUK is from another locality listed by Hartman (1936), in the southern part of Bodega Bay: Dillon Beach, Marin County (central California, Pacific coast of the USA; gazetteer estimate 38.241°, -122.971°). [details]
Type material From Wilson (1988: 395): "There is some confusion as to the status of the USNM [20338] type material. The original label, in Hartman's hand-writing, states "type", and the original descriptions state that holotypes of all species described by Hartman (1936a) were deposited with the USNM, yet the type locality, "outer side of Bodega sand spit, Sonoma County" does not agree with the present material from Dillon Beach, Marin County (this locality was listed by Hartman but not as type locality). The label shows that Hartman intended that this material should be designated as types and they are here treated as syntypes." The types deposited at the Smithsonian Institution, Washington, USA (USNM 20338), and the Natural History Museum, London, UK (NHMUK 1936.11.19.12, 1936.9.30.18.-19) are all from Dillon Beach. Pleijel (1991: 254) also refers the existence of type material deposited at the Allan Hancock Foundation, University of California, USA (AHF). [details]
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