Qingyan, Undivided, Guiyang (Triassic of China)

Where: Guizhou, China (26.3° N, 106.7° E: paleocoordinates 13.3° N, 95.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Qingyan Formation, Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: W. Yu, H. Z. Pan, and H. J. Wang. 1974. Triassic gastropods. Handbook of the Stratigraphy and Paleontology of Southwest China 320-326 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98055: authorized by Matthew Clapham, entered by Matthew Clapham on 18.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neritoina - Delphinulopsidae
"Fossariopsis binodosa" = Delphinulopsis binodosa
"Fossariopsis binodosa" = Delphinulopsis binodosa Münster 1841 snail
 Trochonematoidea - Lophospiridae
"Worthenia multicarinata" = Worthenia (Worthenia) zardinii Yin and Yochelson 1983 snail
Worthenia marmolatae Kittl 1894 snail
Worthenia supraornata Kittl 1894 snail
 Euomphalina - Craspedostomatidae
Natiria costata Munster 1841 snail
ssp. yunnanensis
 Euomphalina -
"Coelocentrus applanatus" = Triassocirrus applanatus
"Coelocentrus applanatus" = Triassocirrus applanatus Kutassy 1937 snail
 Prosobranchia - Goniasmatidae
Cheilotomona pentagonum n. sp. Yu et al. 1974 snail
 Hypsogastropoda - Settsassiidae
Kittliconcha obesa n. sp. Yu et al. 1974 snail
 Hypsogastropoda - Coelostylinidae
Coelostylina liscaviensis Giebel 1856 snail
Trypanostylus haueri Giebel 1856 snail
 Heterostropha - Mathildidae
 Murchisoniina - Wortheniellidae
"Worthenia gigas" = Wortheniella gigas, "Worthenia qingyanensis n. sp." = Wortheniella qingyanensis
"Worthenia gigas" = Wortheniella gigas Koken 1898 snail
"Worthenia qingyanensis n. sp." = Wortheniella qingyanensis Yu et al. 1974 snail
 Murchisoniina - Zygopleuridae
Zygopleura granietzensis, "Zygopleura (Allocosmia) turricula" = Allocosmia turricula
Zygopleura granietzensis Ahlburg 1906 snail
"Zygopleura (Allocosmia) turricula" = Allocosmia turricula Assmann 1937 snail
 Schizogonioidea - Schizogoniidae
Schizogonium pentagonum n. sp. Yu et al. 1974 snail
 Pleurotomariida - Trochotomidae
Discotoma planoconvexa n. sp. Yu et al. 1974 snail
 Pleurotomariida - Zygitidae
Zygites rotundinodosus n. sp. Yu et al. 1974 snail
Zygites qingyanensis n. sp. Yu et al. 1974 snail
 Pleurotomariida - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
 Vetigastropoda - Discohelicidae
Discohelix (Discogonius) subvenusta Yin and Yochelson 1983 snail
 Seguenzioidea - Eucyclidae
Riselloidea guizhouensis n. sp. Yu et al. 1974 snail
 Seguenzioidea - Eucycloscalidae
Eucycloscala binodosa Münster 1841 snail