Liaoningogriphus quadripartitus Shen et al. 1998

By oilshale

• November 1, 2021

Taxonomy

Kingdom: Animalia
Phylum: Arthropoda Latreille 1829
Class: Malacostraca Latreille 1802
Order: Hemicaridea Schram 1981
Family: Spelaeogriphidae Gordon 1957
Genus: Liaoningogriphus
Species: Liaoningogriphus quadripartitus
Author Citation Shen et al. 1998

Geological Time Scale

Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous
Sub Period: None
Epoch: Early
International Age: Barremian - Aptian (early)

Stratigraphy

Jehol Group
Yixian Formation

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 3 cm

Location

Chaomidianzi (Village)
Beipiao (County)
Liaoning (Province)
China

• barremian
• cretaceous
• jehol group
• jianshangou member
• liaoning
• liaoningogriphus
• tff-oilshale-ar2274
• yixian formation

Comments

Taxonomy from Fossilworks.com

Diagnosis for the genus and species from Shen Yan-bin et al. 1998, p. 3. “ Carapace with shallow smooth ‘optical‘ grooves and smoothly rounded lateral margins extending laterally to third thoracomere, with second thoracomere exposed via a medio-dorsal indentation; pleomeres 1-5 large, well developed and setose, with large, sub-equal, sub-rectangular protopod, ovoid endopod and ovoid, two-segmented exopod; subtriangular telson with pair of short, medial terminal spines; well-developed setose uropods with rectangular protopod, large, ovoid endopod and exopod of two subequal segments.”

Line drawing from Taylor 1999, p. 49:

Identified by oilshale using Shen et al. 1998

References:

Shen Yan-bin, Taylor, Rod S., Schram, Frederick R. (1998). New spelaeogriphacean (Crustacea: Peracarida ) from the Upper Jurassic of China. Contributions to Zoology 68 (1) 19-36.

Taylor, R. S. (1999). The fossil Crustacea of China: their taxonomy, palaeobiology, biogeography and phylogenetic relationships. Fac. der Biologie.