Apoprionospio pygmaea (Hartman, 1961) (redescription)
Dipolydora Verrill, 1881 (status source)
Dipolydora akaina Blake, 1996 (original description)
Dipolydora barbilla (Blake, 1981) (new combination reference)
Dipolydora caulleryi (Mesnil, 1897) (new combination reference)
Dipolydora coeca (Örsted, 1843) (new combination reference)
Dipolydora flava (Claparède, 1870) (new combination reference)
Dipolydora giardi (Mesnil, 1893) (new combination reference)
Dipolydora socialis (Schmarda, 1861) (new combination reference)
Laonice cirrata (M. Sars, 1851) (redescription)
Laonice nuchala Blake, 1996 (original description)
Microspio pigmentata (Reish, 1959) (redescription)
Paraprionospio pinnata (Ehlers, 1901) (redescription)
Polydora (Polydora) giardi Mesnil, 1893 accepted as
Dipolydora giardi (Mesnil, 1893) (new combination reference)
Polydora barbilla Blake, 1981 accepted as
Dipolydora barbilla (Blake, 1981) (source of synonymy)
Polydora caeca (Örsted, 1843) accepted as
Dipolydora coeca (Örsted, 1843) (new combination reference)
Polydora caulleryi Mesnil, 1897 accepted as
Dipolydora caulleryi (Mesnil, 1897) (source of synonymy)
Polydora flava Claparède, 1870 accepted as
Dipolydora flava (Claparède, 1870) (new combination reference)
Polydora giardi Mesnil, 1893 accepted as
Dipolydora giardi (Mesnil, 1893) (new combination reference)
Polydora socialis (Schmarda, 1861) accepted as
Dipolydora socialis (Schmarda, 1861) (new combination reference)
Prionospio (Prionospio) dubia Day, 1961 represented as
Prionospio dubia Day, 1961 (redescription)
Prionospio (Prionospio) ehlersi Fauvel, 1928 accepted as
Prionospio ehlersi Fauvel, 1928 (redescription)
Prionospio (Prionospio) marsupialia Blake, 1996 represented as
Prionospio marsupialia Blake, 1996 (original description)
Prionospio (Prionospio) steenstrupi Malmgren, 1867 accepted as
Prionospio steenstrupi Malmgren, 1867 (redescription)
Prionospio marsupialia Blake, 1996 (original description)
Pseudatherospio Lovell, 1994 accepted as
Pygospiopsis Blake, 1983 (additional source)
Pseudatherospio fauchaldi Lovell, 1994 accepted as
Pygospiopsis fauchaldi (Lovell, 1994) (redescription)
Pygospiopsis Blake, 1983 (additional source)
Pygospiopsis occipitalis Blake, 1996 (original description)
Spionidae Grube, 1850 (identification resource)
Spiophanes anoculata Hartman, 1960 (redescription)
Spiophanes berkeleyorum Pettibone, 1962 (redescription)
Spiophanes bombyx (Claparède, 1870) (redescription)
Spiophanes duplex (Chamberlin, 1919) (new combination reference)
Spiophanes kroeyeri Grube, 1860 accepted as
Spiophanes kroyeri Grube, 1860 (redescription)
Spiophanes missionensis Hartman, 1941 accepted as
Spiophanes duplex (Chamberlin, 1919) (source of synonymy)
Spiophanes wigleyi Pettibone, 1962 (redescription)
Nontype Private, geounit California, identified as
Pseudatherospio fauchaldi Lovell, 1994
Paratype SBMNH 143200, geounit California, identified as
Laonice nuchala Blake, 1996
Holotype USNM 172551, geounit California, identified as
Laonice nuchala Blake, 1996
Paratype USNM 172552, geounit California, identified as
Laonice nuchala Blake, 1996
Paratype USNM 172557, geounit Point Arguello, identified as
Pygospiopsis occipitalis Blake, 1996
Holotype USNM 172558, geounit Point Arguello, identified as
Pygospiopsis occipitalis Blake, 1996
Paratype LACM AHF Poly1806-7, geounit California, identified as
Laonice nuchala Blake, 1996
Authority
A case can be made that strictly Day's (1961) name is infrasubspecific and unavailable from 1961. Blake (1996:132) ... [details]
Classification
Foster (1971) used Microspio downgraded to a subgenus of Spio. However, mostly it is treated as a full genus in ... [details]
Depth range
Not stated by the author. Type said to be intertidal by Blake (1996: 149) and Meißner (2005: 31). [details]
Diagnosis
Diagnosis by Blake (1996: 188): "Prostomium deeply incised along anterior margin, forming 2 prominent lobes, ... [details]
Distribution
Eastern Pacific, Puget Sound to central California (USA). [details]
Distribution
Eastern Pacific Ocean: from Monterey Bay (California, USA) to Gulf of California (Mexico). According to Blake ... [details]
Distribution
Northern California, in the vicinity of Tomales Point (USA, Pacific Ocean). [details]
Distribution
Pacific Ocean, central California to Western Santa Barbara Channel (USA). [details]
Distribution
Pacific Ocean: USA, California (Santa Maria Basin and off Huntington Beach). [details]
Distribution
Pacific Ocean, California (USA), off Point Arguello. Known only from the type locality. [details]
Etymology
The specific epithet glandulosa is the feminine of the Latin adjective glandulosus, meaning 'full of glands', and ... [details]
Etymology
The specific epithet nuchala is derived from the Medieval Latin, nucha, meaning 'nape of the neck', and refers to ... [details]
Etymology
The specific epithet occipitalis is a Latin adjective, meaning 'occipital' or 'pertaining to the back of the head', ... [details]
Habitat
Not stated. Occurs at subtidal to shelf depths. [details]
Habitat
In substrata composed mostly of sand, sometimes mixed with mud, from intertidal to shelf depths. [details]
Habitat
Boring into intertidal coralline alga Lithophyllum pacificum. [details]
Habitat
Outer continental shelf, in mixed sand and silt sediments. [details]
Habitat
In sediments of mixed sand and silt, at shelf depths. [details]
Habitat
Muddy sediments, at outer shelf and upper slope depths. [details]
Habitat
Continental slope, at bathyal depths. [details]
Reproduction
One paratype was an ovigerous female with clusters of oocytes in anterior chaetigers and free oocytes posteriorly, ... [details]
Synonymy
Blake (1996:192) writes "there can be no doubt that P. carunculata is the same as D. socialis". Radashevsky (1993) ... [details]
Type locality
Pacific Ocean, USA, California, near head of Carmel Canyon (36º27.49'N, 121º59.44'W), ca. 200 m. [details]
Type locality
Pacific Ocean, USA, California, Santa Barbara Basin, off Point Sal (34º43.01'N, 120º47.39'W), 92 m. [details]
Type locality
Pacific Ocean, USA, California, Santa Barbara Basin, off Point Arguello (34º26.29'N, 120º58.08'W), 930 m. [details]
Type material
Smithsonian Institution, Washington, USA (holotype: USNM 175258; paratypes: USNM 172557). [details]