Morphology, systematics, and paleoecology of Tridactylastacus (Crustacea, Decapoda, Glypheidea, Litogastridae)

Autor:	Rodney M. Feldmann, Hiroaki Karasawa, Jinyuan Huang, Tao Xie, Neil A. Wells, Changyoing Zhou, Carrie E. Schweitzer, Wen Wen, Qiyue Zhang, Shixue Hu
Rok vydání:	2016
Předmět:	0106 biological sciences Systematics biology Decapoda 010604 marine biology & hydrobiology Paleontology Glypheoidea biology.organism_classification Glypheidea 010603 evolutionary biology 01 natural sciences Crustacean Cladistics Water column Paleoecology
Zdroj:	Journal of Paleontology. 90:1112-1117
ISSN:	1937-2337 0022-3360
DOI:	10.1017/jpa.2016.116
Popis:	A large assemblage of small specimens of Tridactylastacus sinensis Feldmann, Schweitzer, and Zhang in Feldmann et al., 2012, from the Middle Triassic (Anisian) Luoping Biota, Yunnan Province, China, permitted cladistic analysis confirming their placement within Litogastridae in the superfamily Glypheoidea. Orientation of 86 specimens closely spaced on a single slab from one bedding surface revealed a preferred orientation suggestive of mild current activity. The specimens were interpreted to have been victims of a mass kill, possibly an algal bloom, within the water column.
Databáze:	OpenAIRE
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