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The Syllidae of Japan are named with 77 species and 7 subspecies in 20 genera, 5 subgenera and 4 subfamilies; 2 others in 2 genera are not determined specifically. One new genus, 1 new subgenus, 31 new species or subspecies and 5 new combinations are given. 21 species or subspecies are new to Japanese waters. One genus, Geminosyllis is erected from Syllinae and one new subgenus, Regulatus is named in Autolytus. 46 species or subspecies, 53.4%, are currently known only from Japan, 40 others are known also from other areas.
Autolytus (Autolytus) pentadentatus Imajima, 1966 accepted as Myrianida pentadentata (Imajima, 1966) (original description)
Autolytus (Autolytus) spinoculatus Imajima, 1966 accepted as Myrianida spinoculata (Imajima, 1966) (original description)
Autolytus (Autolytus) tamanus Imajima, 1966 accepted as Paraproceraea tamana (Imajima, 1966) (original description)
Autolytus (Autolytus) tsugarus Imajima, 1966 accepted as Imajimaea tsugara (Imajima, 1966) (original description)
Autolytus (Regulatus) Imajima, 1966 accepted as Proceraea Ehlers, 1864 (original description)
Autolytus (Regulatus) alternata Imajima & Hartman, 1964 accepted as Epigamia alternata (Imajima & Hartman, 1964) (basis of record)
Autolytus (Regulatus) boreatus Imajima, 1966 accepted as Proceraea boreata (Imajima, 1966) (original description)
Autolytus (Regulatus) cornutus (Agassiz, 1862) accepted as Proceraea cornuta (Agassiz, 1862) (basis of record)
Autolytus (Regulatus) kiiensis Imajima, 1966 (original description)
Autolytus (Regulatus) misakiensis Imajima, 1966 accepted as Proceraea misakiensis (Imajima, 1966) (original description)
Autolytus (Regulatus) misakiensis longilappetus Imajima, 1966 accepted as Proceraea longilappeta (Imajima, 1966) (original description)
Autolytus (Regulatus) mukaishimus Imajima, 1966 accepted as Proceraea mukaishima (Imajima, 1966) (original description)
Autolytus (Regulatus) nipponensis longicirratus Imajima, 1966 (original description)
Autolytus (Regulatus) noroi Imajima & Hartman, 1964 accepted as Epigamia noroi (Imajima & Hartman, 1964) (basis of record)
Autolytus (Regulatus) okadai Imajima, 1966 accepted as Proceraea okadai (Imajima, 1966) (original description)
Autolytus (Regulatus) setoensis Imajima, 1966 accepted as Proceraea setoensis (Imajima, 1966) (original description)
Autolytus (Regulatus) usaensis Imajima, 1966 accepted as Epigamia usaensis (Imajima, 1966) (original description)
Autolytus (Regulatus) vulgarius Imajima, 1966 accepted as Proceraea vulgaria (Imajima, 1966) (original description)
Autolytus pachycerus Augener, 1913 accepted as Myrianida pachycera (Augener, 1913) (new combination reference)
Autolytus purpureimaculata Okada, 1933 accepted as Myrianida pachycera (Augener, 1913) (source of synonymy)
Myrianida pachycera (Augener, 1913) (new combination reference)
Nereis prismatica O.F. Müller, 1776 accepted as Proceraea prismatica (O.F. Müller, 1776) (source of synonymy)
Proceraea ornata Verrill, 1873 accepted as Proceraea fasciata (Bosc, 1802) (source of synonymy)
Holotype NSMT, geounit Japan, identified as Autolytus (Autolytus) spinoculatus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Autolytus) tsugarus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Autolytus) tamanus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) misakiensis Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) misakiensis longilappetus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) usaensis Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) setoensis Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) nipponensis longicirratus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) mukaishimus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) boreatus Imajima, 1966
Holotype NSMT, geounit Japan, identified as Autolytus (Regulatus) kiiensis Imajima, 1966
Holotype NSMT, geounit Japanese Exclusive Economic Zone, identified as Autolytus (Regulatus) vulgarius Imajima, 1966
Holotype NSMT, geounit Japanese Exclusive Economic Zone, identified as Autolytus (Regulatus) okadai Imajima, 1966
Holotype NSMT Pol H-55, geounit Japan, identified as Autolytus (Autolytus) dentalius Imajima, 1966
Northern Japan. [details]
Northern Japan. [details]
Japan, common in Honshu and Shikoku. [details]
The specific epithet dentalius refers probably to the shape of the trepan, with two large and 29 small teeth. [details]
The specific epithet pentadentatus refers to the presence of a circlet of 5 large subequal teeth in the trepan. [details]
The specific epithet tamanus refers to the Japanese town Tamano, located near the type locality. [details]
The specific epithet boreatus refers probably to the occurrence of the species only in the northern region of ... [details]
The specific epithet misakiensis refers to the type locality of the species, Misaki (Kanagawa Prefecture). [details]
The subspecific epithet longilappetus refers to the long nuchal epaulettes that characterize the taxon. [details]
The specific epithet mukaishimus makes reference to the type locality of the species, Mukaishima (Mitsugi District, ... [details]
The subspecific epithet longicirratus makes reference to the first dorsal cirri being longer than those of the stem ... [details]
The specific epithet setoensis makes reference to the type locality of the species, Seto (Wakayama Prefecture, ... [details]
The specific epithet usaensis maks referense to the type locality of the species, Usa (Kochi Prefecture, Shikoku, ... [details]
The specific epithet vulgarius refers probably to the fact that it is a common species in the intertidal zone of Japan. [details]
Among algae on intertidal rocky shores. [details]
Among algae on intertidal rocky shores. [details]
Among algae on intertidal rocky shores. [details]
Among algae on intertidal rocky shores. [details]
Intertidal zone among seaweed on rocks and attached to Sargassum. [details]
Among algae on intertidal rocky shores. [details]
Among algae on intertidal rocky shores. [details]
Among Halocynthia (ascidian) attached to a float. [details]
Among algae on intertidal rocky shores. [details]
Schizogamy by anterior scissiparity behind chaetiger 16. [details]
Pacific Ocean, Japan, Honshu, off Senda-zaki, in Uraga Strait (geocoordinates not provided but estimated with ... [details]
Pacific Ocean, Japan, Honshu, Seto (geocoordinates not provided, but estimade with gazetteer to be approximately ... [details]
Pacific Ocean, Japan, Honshu, Seto (geocoordinates not provided, but estimade with gazetteer to be approximately ... [details]
Pacific Ocean, Japan, Honshu, Karasu-jima, near the city of Tamano (geocoordinates not provided, but estimated with ... [details]
Off Shirikishinai, Hokkaido, Japan, Pacific Ocean (geocoordinates not provided, but estimated with gazetteer to be ... [details]
Pacific Ocean, Japan, Honshu, off Cape Shiriyazaki (geocoordinates not provided, but estimated with gazetteer to be ... [details]
Pacific Ocean, Japan, Seto (geocoordinates not provided, but estimated with gazetteer to be approximately lat. ... [details]
Pacific Ocean, Japan, Honshu, Misaki (geocoordinates not provided, but estimated with gazetteer to be approximately ... [details]
Pacific Ocean, Japan, Honshu, Onagawa (geocoordinates not provided, but estimated with gazetteer to be ... [details]
Japan (Honshu, Mukaishima (geocoordinates not provided, but estimated with gazetteer to be approximately lat. ... [details]
Pacific Ocean, Japan, Honshu, off Cape Shiriyazaki (geocoordinates not provided, but estimated with gazetteer to be ... [details]
Pacific Ocean, Japan, Honshu. The species was described with base on specimens from Karasu-jima, near Tamano, ... [details]
Pacific Ocean, Japan, Seto (geocoordinates not provided, but estimated with gazetteer to be approximately lat. ... [details]
Pacific Ocean, Japan, Shikoku, Usa (geocoordinates not provided, but estimated with gazetteer to be approximately ... [details]
Pacific Ocean, Japan. The species was described with base on specimens collected at Asamushi, Onagawa, Misaki, ... [details]
