Turbellarian taxonomic database

Collecting site

Mitsui Institute of Marine Biology, Susaki near Simoda, Siduoka Prefecture, Japan

latitude: 34.650002     34°39'0.01"N
longitude: 138.966705     138°58'0.14"E

[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]

Collected here:

Leptostylochus gracilis1934 or earlierautumn numerous specimens of a planarian were discovered underneath stones in somewhat brackish water on the shore near the Mitsui Institute of Marine Biology.
Stylochoplana amicaMar 1934single specimen found by Mr. S. Suzuki in an aquarium, in which were kept a number of limpets, Patelloida schrenckii.
Notoplana japonica1934-1936a number of specimens collected from the undersurface of stones embedded rather deeply in the sand at the low tide-mark during spring and summer.
Discocelis japonica1934-1936
Hoploplana villosaMay 22, 1936two specimens. In Japan, it is usually found on a bryozoa, Microporella ciliata (Pallas).
Pseudostylochus elongatus1935-1936large number of this planarian were obtained near the low tide-mark in the spring.
Planocera purpureaMay-Jun 19365 specimens collected.
Neoplanocera elongataJul 10, 1934single specimen at Susaki near the low tide-mark.
Cestoplana lacteaJul 20, 1935single specimen near the low tide-mark.
Cestoplana rubrocinctaApr 1935single specimen under a stone in tide-pool.
Pseudoceros gratusMar 25, 1934single specimen of this splendid Pseudoceros found by Mr. J. Ishida who found it on the stone in the tidal zone in front of the Institute..
Pseudoceros luteomarginatusJun 28, 1934two specimens.
Cycloporus papillosus (1)1934-1936numerous specimens identical with the Misaki form of Cycloporus papillosus were found in the summer on compound ascidians between tide-marks.
Prosthiostomum marmoratumJun 28, 1935two specimens.
Prosthiostomum siphunculus1934-1936fairly common in summer at Susaki.
Stylochoplana parasitica1935 or earlierfound in the pallial groove of Liolophura japonica var. tessellata, a common chiton occurring between tide-marks in the vicinity of the Mitsui Institute of Marine Biology near Shimoda.
Stylochus ijimai1932-1933common on the Pacific coasts of Japan in spring and summer. Often it attacks young oysters.
Notoplana delicata1932-1933fairly common in the neighborhood of the Institute throughout the year.
Notoplana humilis1932-1933one of the commonest species on the Pacific coasts of Japan and is found throughout the year. The color of its body is very variable but generally gray, brown or black.
Stylochoplana pusilla1932-1933in the mantle cavity of Monodonta labis Linné, a common sea snail occurring between tide-marks, was found a planarian identical with Bock's Stylochoplana pusilla from the corallina-formation in front of the Misaki Marine Biological Station.
Susakia badiomaculata1932single example of this interesting species was obtained between tide-marks in the autumn of 1932.
Planocera reticulata1932-1933found in abundance in this district and Misaki all the year round; multi-tenticular forms often occur.
Callioplana marginata1932-1933Fairly common in summer.
Pseudostylochus fuscoviridus1932-1933found in summer together with Pseudostylochus obscurus on the underside of stones in the tidal zone.
Pseudostylochus obscurus1932-1933very common in this district all the year round, and appears to be of fairly wide distribution in Japan.
Pseudoceros atropurpureusMay 13, 1933single specimen of this new species was obtained near low tide-mark.
Pseudoceros micropapillosus1932-1933very common between tide-marks in spring.
Pseudoceros susakiensisMay 1933two examples obtained between tide-marks.
Pseudoceros reticulatus1932-1933common in summer.
Thysanozoon brocchii1932-1933fairly common in this district.
Cycloporus variegatusSep 1933single example found beneath a stone on the strand exposed to strong surf.
Prosthiostomum grandeMay 1933three specimens of this species.
Stylochoplana clara1944 or earlierCommonly found living on eel grasses, Zostera and Phyllospadix.
Planocera pellucida1944 or earlierOff Susaki near Simoda, Izu (a single specimen). Holopelagic species. Very common in Pacific, Atlantic and Indian Oceans, between 42 degrees North and 54 degrees 42 minutes South.
Planocera multitentaculata1944 or earlierUsually found together with Planocera reticulata.
Paraplanocera oligoglena1944 or earlier
Thysanozoon vulgaris1944 or earlier
Pseudoceros flavomarginatus1944 or earlier
Pseudoceros izuensis1944 or earlier
Eurylepta susakiensis1944 or earlier0-20 mfrom tidemarks to the depth of 20 m.
Cycloporus japonicus1944 or earliercommonly found on compound ascidians.
Stylostomum maculatumJul 29, 1938A single specimen found on a certain white compound ascidian.
Leptoteredra tentaculata1944 or earlierA single specimen found on a certain white compound ascidian.

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