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Lobosea: Testacealobosia: Arcellinida: Centropyxidae

Centropyxis constricta
(Ehrenberg, 1841)

Centropyxis constricta Genus: Test circular, ovoid or discoid; pseudostome eccentric, circular or ovoidal; with or without spines (Kudo, 1966).
Species: Test 120-150 x 75-100 μm, 60-75 μm in hight, pouch-shaped in oral view, round in lateral, tapered toward anterior; pseudostome 25-30 μm with incurved lips; several similar species (Illustrated Guide, 1985).


Centrophyxis constricta (Ehrenberg) Leidy ??, test 125 x 115 μm, μm high, pseudostome x 52 μm, x 640, No. 7-1, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Centropyxis Centropyxis

Images of collecting locality: No. 7, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii


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