Anotomastus Hartman, 1947 (original description)
Anotomastus gordiodes (Moore, 1909) (new combination reference)
Areniella Verrill, 1874 accepted as Heteromastus Eisig, 1887 (source of synonymy)
Areniella filiformis Verrill, 1874 accepted as Heteromastus filiformis (Claparède, 1864) (source of synonymy)
Capitella ovincola Hartman, 1947 (original description)
Capitita Hartman, 1947 accepted as Mediomastus Hartman, 1944 (original description)
Capitita ambiseta Hartman, 1947 accepted as Mediomastus ambiseta (Hartman, 1947) (original description)
Dasybranchus platyceps Hartman, 1947 (original description)
Eunotomastus gordiodes Moore, 1909 accepted as Anotomastus gordiodes (Moore, 1909) (source of synonymy)
Heteromastus filiformis (Claparède, 1864) (additional source)
Isomastus Gravier, 1911 accepted as Capitella Blainville, 1828 (source of synonymy)
Isomastus perarmatus Gravier, 1911 accepted as Capitella perarmata (Gravier, 1911) (source of synonymy)
Leiocapitella glabra Hartman, 1947 (original description)
Leiochrides pallidior (Chamberlin, 1918) (basis of record)
Notomastus (Clistomastus) hemipodus Hartman, 1945 accepted as Notomastus hemipodus Hartman, 1945 (redescription)
Notomastus (Clistomastus) hemipodus Hartman, 1947 accepted as Notomastus (Clistomastus) hemipodus Hartman, 1945 accepted as Notomastus hemipodus Hartman, 1945 (redescription)
Notomastus (Clistomastus) luridus (Verrill, 1873) (basis of record)
Notomastus (Clistomastus) tenuis Moore, 1909 represented as Notomastus tenuis Moore, 1909 (basis of record)
Notomastus angulatus Chamberlin, 1919 accepted as Notomastus tenuis Moore, 1909 (source of synonymy)
Notomastus lobatus Hartman, 1947 (original description)
Notomastus luridus Verrill, 1873 represented as Notomastus (Clistomastus) luridus (Verrill, 1873) (source of synonymy)
Notomastus magnus Hartman, 1947 (original description)
Notomastus pallidior Chamberlin, 1918 accepted as Leiochrides pallidior (Chamberlin, 1918) (source of synonymy)
Notomastus tenuis Moore, 1909 (source of synonymy)

 Diagnosis

 for Capitita Hartman, 1947

Original diagnosis by Hartman (1959: 408-409): "Pointed setae and hooded hooks are present in both thorax and ... [details]

 Distribution

 for Anotomastus gordiodes (Moore, 1909)

Mission and Newport Bays, and Anaheim Slough in Southern California. Also in San Diego, California.  [details]

 Ecology

 for Anotomastus gordiodes (Moore, 1909)

The species inhabits mud flats in low, intertidal zones.  [details]

 Synonymy

 for Areniella Verrill, 1874

The species Areniella filiformis Verrill, 1874, the type species of the genus, was considered by Hartman (1947: ... [details]

 Synonymy

 for Isomastus Gravier, 1911

The synonymy between Isomastus Gravier, 1911 and Capitella Blainville, 1828 was first suggested by Augener (1932: ... [details]

 Type species

 for Anotomastus Hartman, 1947

Anotomastus gordiodes (Moore, 1909).  [details]