Hexactinellid sponge mounds, Jushui, Anxian County (Triassic of China)

Where: Sichuan, China (26.0° N, 113.2° E: paleocoordinates 24.6° N, 93.4° E)

• coordinate estimated from map

When: Hanwang Formation, Carnian (237.0 - 228.0 Ma)

• Sponge mound in the upper part of Hanwang formation.

Environment/lithology: basin reef; lithified wackestone

• Lense of marly bioclastic wackestone interbedded whithin the sponge mound.

Size classes: macrofossils, mesofossils

Preservation: original calcite, original silica

Collection methods: surface (float), surface (in situ), sieve,

Primary reference: J. Wendt, X. Wu, and J. W. Reinhardt. 1989. Deep-water hexactinellid sponge mounds from the Upper Triassic of northern Sichuan (China). Palaeogeography, Palaeoclimatology, Palaeoecology 76:17-29 [D. Bottjer/C. Powers]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 192218: authorized by Loic Villier, entered by Loic Villier on 16.03.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferinida - Spiriferinidae
Spiriferina sp. d'Orbigny 1847
Stenolaemata
 Trepostomida - Dyscritellidae
Dyscritella zardinii Schafer and Fois 1987
Cephalopoda
 Ceratitida - Thisbitidae
Thisbites sp. Mojsisovics 1893 ceratite
Crinoidea
 Isocrinida - Isocrinidae
? Tyrolecrinus sp. Klikushin 1982 Sea lily
Tyrolecrinus cf. tyrolensis Laube 1865 Sea lily
Ophiuroidea
 Phrynophiurida - Eospondylidae
Ophioflabellum sp. Donofrio and Mostler 1977 brittle star