Polychaeta name details
original description
Sato, Masanori. (2020). Two new species of <i>Composetia</i> (Annelida: Nereididae) from small estuaries in the Ryukyu Islands, Southern Japan, with a list of all species currently belonging to <i>Composetia</i>. <em>Species Diversity.</em> 25(1): 11-24., available online at http://doi.org/10.12782/specdiv.25.11 page(s): 17-20, figs. 4B, 6-8, table 2 [details] Available for editors [request]
Holotype NSMT Pol H-774, geounit Ryukyu Islands [details]
Paratype NSMT Pol P-775-783, geounit Ryukyu Islands [details]
Paratype NSMT Pol P-784, geounit Ryukyu Islands [details]
From editor or global species database
Depth range Intertidal. [details]
Distribution Pacific Ocean: Tokashiki-jima (Ryukyu Islands, southern Japan). [details]
Etymology The specific epithet tokashikiensis is an adjective derived from the name of the type locality, Tokashiki-jima. [details]
Habitat Intertidal sandy bottom in the upper reaches of small estuary. Salinity of interstitial water that drained into the remaining holes after removing sediment samples was 0.3 psu at low tide (measured around 16:00 of 27 May 2012). [details]
Reproduction Coelom of a paratype collected in November 1991 filled with large oocytes (about 250 μm in maximum diameter). None of the studied specimens showed epitokous metamorphosis [details]
Type locality Estuary of Tokashiki-gawa river, Tokashiki-jima Island, Okinawa Prefecture, central Ryukyu Islands, southern Japan, Pacific Ocean (26.1964°, 127.3631°). [details]
| |