Nishi, Eijiroh; Kirtley, David W. (1999). Three new species of Sabellariidae (Polychaeta) from Japan. Natural History Research. 5(2): 93-105.

51171

Nishi, Eijiroh; Kirtley, David W.

1999

5(2): 93-105

Publication

https://www.chiba-muse.or.jp/NATURAL/files/1521175941708/simple/nhr_5-2_6nishi.pdf

AnnelidaBase
Kristian Fauchald's Polychaeta DB

Available for editors   [request]

A new species, Lygdamis japonicus (Sabellariidae, Polychaeta) is described from Amakusa, west Kyushu and Yakushima Island and is characterized by having a small median organ (often not well developed). Two new species of Idanthyrsus, I. okinawaensis and I. boninensis, are described, based on specimens from Okinawa and Ogasawara Islands. Idanthyrsus okinawaensis is solitary, associated with living coral and sometimes found on branching coral colonies. Idanthyrsus boninensis is gregarious on rocky shores and rarely solitary in the intertidal zone. Both new Idanthyrsus species are closely related to L. okudai Kirtley, 1994 formerly known from ]apan, and the three species can be separable based on the distribution of the thecal bands and denticles of the inner and outer paleae. Idanthyrsus okudai is redescribed based on the specimens from the Izu Peninsula and Yakushima Island. In addition a character key to Japanese Sabellariidae including 9 species of 4 genera is given.

Japan
Japanese Archipelago

Systematics, Taxonomy

Annelida
Polychaeta

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