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

Gastropoda
 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. Pan and Erwin 2002 snail
 Heterostropha - Stuoraxidae
"Straparollus (Straparollus) minutus n. sp." = Stuoraxis minutus
"Straparollus (Straparollus) minutus n. sp." = Stuoraxis minutus Pan and Erwin 2002 snail
 Heterostropha - Donaldinidae
Donaldina quinquecarina, "Donaldina heshanensis n. sp." = Royalella heshanensis, "Aclisina multicarinata n. sp." = Royalella multicarinata, "Donaldina eleganta n. sp." = Royalella eleganta
Donaldina quinquecarina Pan and Erwin 2002 snail
"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
 Heterostropha - Streptacididae
Laxella micra n. gen. n. sp. Pan and Erwin 2002 snail
Streptacis fragilis n. sp. Pan and Erwin 2002 snail
Streptacis regularis n. sp. Pan and Erwin 2002 snail
  -
Luoguispira multilinea n. sp. Pan and Erwin 2002 snail
Luoguispira lineata n. sp. Pan and Erwin 2002 snail
 Caenogastropoda - Goniasmatidae
"Platyzona luculenta n. sp." = Erwinispira luculenta, Platyzona pulchella n. sp., Platyzona nitella n. sp.
"Platyzona luculenta n. sp." = Erwinispira luculenta Pan and Erwin 2002 snail
Platyzona pulchella n. sp. Pan and Erwin 2002 snail
Platyzona nitella 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. 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