WoRMS name details
Leocrates japonicus Gustafson, 1930
1610455 (urn:lsid:marinespecies.org:taxname:1610455)
unaccepted > nomen nudum
Species
marine, brackish, fresh, terrestrial
recent only
Gustafson, Gunnar. (1930). Anatomische studien über die polychäten-familien Amphinomidae und Euphrosynidae. <em>Zoologiska bidrag från Uppsala.</em> 12: 305-471.
page(s): 433, Textfig. 57 (brain, palp nerves and stomatogastric ganglia), 465, Pl. 23, Figs 1, 3 (horizontal, longitudinal sections of brain);; note: no description but the name is used in internal anatomy text figures [details] Available for editors
[request]
page(s): 433, Textfig. 57 (brain, palp nerves and stomatogastric ganglia), 465, Pl. 23, Figs 1, 3 (horizontal, longitudinal sections of brain);; note: no description but the name is used in internal anatomy text figures [details] Available for editors

Status Regarded as an accidental naming, with no description beyond taxonomically irrelevant anatomical figures. Salazar-Vallejo...
Status Regarded as an accidental naming, with no description beyond taxonomically irrelevant anatomical figures. Salazar-Vallejo (2020: 63) placed this name as a nomen nudum [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Leocrates japonicus Gustafson, 1930. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1610455 on 2025-04-05
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Nomenclature
original description
Gustafson, Gunnar. (1930). Anatomische studien über die polychäten-familien Amphinomidae und Euphrosynidae. <em>Zoologiska bidrag från Uppsala.</em> 12: 305-471.
page(s): 433, Textfig. 57 (brain, palp nerves and stomatogastric ganglia), 465, Pl. 23, Figs 1, 3 (horizontal, longitudinal sections of brain);; note: no description but the name is used in internal anatomy text figures [details] Available for editors
[request]
page(s): 433, Textfig. 57 (brain, palp nerves and stomatogastric ganglia), 465, Pl. 23, Figs 1, 3 (horizontal, longitudinal sections of brain);; note: no description but the name is used in internal anatomy text figures [details] Available for editors

Taxonomy
status source
Salazar-Vallejo, Sergio I. (2020). Revision of <em>Leocrates</em> Kinberg, 1866 and <em>Leocratides</em> Ehlers, 1908 (Annelida, Errantia, Hesionidae). <em>Zootaxa.</em> 4739(1): 1-114., available online at https://www.biotaxa.org/Zootaxa/article/view/zootaxa.4739.1.1
page(s): 63; note: placed as a nomen nudum [details] Available for editors
[request]
page(s): 63; note: placed as a nomen nudum [details] Available for editors

From editor or global species database
Status Regarded as an accidental naming, with no description beyond taxonomically irrelevant anatomical figures. Salazar-Vallejo (2020: 63) placed this name as a nomen nudum [details]