Foster (1971) used Microspio downgraded to a subgenus of Spio. However, mostly it is treated as a full genus in ... [details]
The dense and obvious glandulation of the branchial and podal lobes and the deeply incised protomium are striking ... [details]
Prostomium with frontal horns, branchiae from chaetiger 2, notochaetae capillaries only, pygidium with cirri or ... [details]
Also recorded from North Carolina coast in the Atlantic. Maciolek (1990) did not speculate in her report how the ... [details]
Rhynchospio species described to date are all from the intertidal or very shallow water. This genus does not occur ... [details]
The range of reported habitats and distribution for Spio blakei is remarkable as it apparently occurs from brackish ... [details]
Spio pacifica is a replaced junior primary homonym to Spio martinensis pacifica Berkeley, 1927, and was renamed ... [details]
Spio blakei is a replacement name for Spio pacifica Blake & Kudenov, which is a junior homonym [details]
Maciolek (1990: 1111) placed the holotype as incertae sedis. She wrote that: "The holotype is very small, and has ... [details]
The holotype is an incertae sedis juvenile form (Maciolek, 1990). Originally there were also 3 paratypes. [details]
Foster (1971) is one source for treatment of Paraspio as synonym of Spio. Day (1973: 76) also states (in text ... [details]
The species was transferred from Microspio to Dispio by Intes & Le Loeuff (1977: 220-221, fig. 1a-i), with base on ... [details]
Blake & Kudenov (1978:199 footnote) referred R. microcera Dorsey to genus Microspio. Maciolek (1990:1131) ... [details]
Current taxon junior synonym of species listed. Frank et al. (1985: 40) resumed the systematic history of the ... [details]
Status uncertain. We have not ascertained whether the original taxon has been recorded since the original ... [details]