PBDB Collection

Matan M40, Heshan (Permian of China)

Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 5.3° N, 99.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Heshan Formation), Changhsingian (254.2 - 252.2 Ma)

• Lower Changhsingian

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray, cherty/siliceous limestone

• Dark-grey, medium-bedded siliceous striped limestone and chert nodules and bioclastic limestones intercalated with three coal layers

Size class: macrofossils

Preservation: replaced with silica

Primary reference: H. -Z. Pan and D. H. Erwin. 2002. Gastropods from the Permian of Guangxi and Yunnan Provinces, South China. Journal of Paleontology Memoir 56:1-49 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56895: authorized by Pete Wagner, entered by Pete Wagner on 28.11.2005, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Gastropoda
Heterostropha - Stuoraxidae	"Straparollus (Straparollus) minutus n. sp." = Stuoraxis minutus "Straparollus (Straparollus) minutus n. sp." = Stuoraxis minutus Pan and Erwin 2002 snail
Heterostropha - Donaldinidae	"Donaldina heshanensis n. sp." = Royalella heshanensis, "Aclisina multicarinata n. sp." = Royalella multicarinata, "Donaldina eleganta n. sp." = Royalella eleganta, Donaldina quinquecarina "Donaldina heshanensis n. sp." = Royalella heshanensis Pan and Erwin 2002 snail "Aclisina multicarinata n. sp." = Royalella multicarinata Pan and Erwin 2002 snail "Donaldina eleganta n. sp." = Royalella eleganta Pan and Erwin 2002 snail Donaldina quinquecarina Pan and Erwin 2002 snail
Heterostropha - Streptacididae	Laxella micra n. gen. n. sp., Streptacis regularis n. sp., Streptacis fragilis n. sp. Laxella micra n. gen. n. sp. Pan and Erwin 2002 snail Streptacis regularis n. sp. Pan and Erwin 2002 snail Streptacis fragilis n. sp. Pan and Erwin 2002 snail
Cerithimorpha - Orthonemidae	Microlampra heshanensis n. sp., Microlampra orcula n. sp., "Holopea teres n. sp." = Heshanietta teres, "Holopea bacca n. sp." = Heshanietta bacca Microlampra heshanensis n. sp. Pan and Erwin 2002 snail Microlampra orcula n. sp. Pan and Erwin 2002 snail "Holopea teres n. sp." = Heshanietta teres Pan and Erwin 2002 snail "Holopea bacca n. sp." = Heshanietta bacca Pan and Erwin 2002 snail
Caenogastropoda - Meekospiridae	Girtyspira delicata n. sp., Meekospira sp., ? Meekospira solenisciforma n. sp. Girtyspira delicata n. sp. Pan and Erwin 2002 snail Meekospira sp. Ulrich and Scofield 1897 snail ? Meekospira solenisciforma n. sp. Nützel and Pan 2005 snail
Zygopleuroidea - Pseudozygopleuridae	"Ploceozyga (Hyphantozyga) sp." = Hyphantozyga, "Microptychis charma n. sp." = Levizygopleura charma "Ploceozyga (Hyphantozyga) sp." = Hyphantozyga Knight 1930 snail "Microptychis charma n. sp." = Levizygopleura charma Pan and Erwin 2002 snail
Caenogastropoda - Goniasmatidae	"Platyzona luculenta n. sp." = Erwinispira luculenta, Platyzona nitella n. sp., Platyzona pulchella n. sp. "Platyzona luculenta n. sp." = Erwinispira luculenta Pan and Erwin 2002 snail Platyzona nitella n. sp. Pan and Erwin 2002 snail Platyzona pulchella n. sp. Pan and Erwin 2002 snail
-	Luoguispira multilinea n. sp., Luoguispira lineata n. sp. Luoguispira multilinea n. sp. Pan and Erwin 2002 snail Luoguispira lineata n. sp. Pan and Erwin 2002 snail
Murchisoniina - Gosseletinidae	Naticasinus sinus n. gen. n. sp. Naticasinus sinus n. gen. n. sp. Pan and Erwin 2002 snail
Murchisoniina - Soleniscidae	Leptoptygma laetus n. sp. Leptoptygma laetus n. sp. Pan and Erwin 2002 snail