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By oilshale (edited)
Isopoda
Kingdom: ANIMALIA
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic
Sub Period: None
Epoch: Middle
International Age: Anisian, Pelsonian
Guanling Formation
Member II
Acquired by: Purchase/Trade
Daaozi, Luoxiong
Luoping County
Yunnan
China
Taxonomy from Fu & Wilson 2010.
Diagnosis from Fu & Wilson 2010, p. 1005: "Head surface pitted; cervical groove straight, extending over dorsal margin of head and connecting medially; antennal notch deep, with posterior extension. Pleotelson ventral margin anterior to uropods 1.7–1.8 width of uropodal insertion; dorsal surface median ridge present; dorsal surface lateral ridges present, continuous with posterior apex; lateral uropodal ridge curving strongly and extending posteriorly from uropods on pleotelson margin. Posterior apex with one pair of robust setae (assumed on presence of setal sockets). Maxilliped epipod distal tip broadly pointed. Pereopod I subchelate; propodal palm convex. Uropod endopod subequal to protopod length."
Line drawing from Fu & Wilson 2010, p. 1011:
Identified by Dr. George D. F. Wilson, Saugatuck Natural History Laboratory, LLC.
References:
Fu et al. (2010) A new species of Protamphisopus Nicholls (Crustacea, Isopoda, Phreatoicidea) from the Middle Triassic Luoping fauna of Yunnan Province, China. J. Paleont. 84 (5), 2010, pp.1003-1013.
Schöllmann, Hagdorn & Hauschke (2014): Ein mariner Isopode (Malacostraca) aus dem Oberen Muschelkalk (Mittlere Trias) des Hohenloher Landes (Südwestdeutschland). Geologica Saxonica 61 (1), pp.95-103
Edited by oilshale
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