Matan 3A, Heshan Formation, Matan Section, Heshan City (Permian of China)

Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 1.5° N, 100.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Heshan Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Probably slightly above Matan 3 in section.

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; shelly/skeletal, gray, silty, cherty/siliceous wackestone

• Dark gray wackestone/lime mudstone. Abundant chert nodules. Bed is 25 cm thick.

Size class: macrofossils

Preservation: replaced with silica

Collection methods: bulk, chemical, hydrochloric,

Primary reference: M. E. Clapham and D. J. Bottjer. 2007. Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian). Palaeogeography, Palaeoclimatology, Palaeoecology 249:283-301 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 50026: authorized by David Bottjer, entered by Matthew Clapham on 04.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Agelasida - Guadalupiidae
Cystothalamia sp.
Cystothalamia sp. Girty 1908 demosponge
Bivalvia
 Nuculida - Nuculidae
Nuculopsis sp.
Nuculopsis sp. Girty 1912 nut clam
 Ostreida - Bakevelliidae
Ensipteria sp.
Ensipteria sp. Nakazawa and Newell 1968 oyster
 Arcida - Parallelodontidae
Grammatodon sp.
Grammatodon sp. Meek and Hayden 1860 clam
 Mytilida - Mytilidae
Promytilus sp.
Promytilus sp. Newell 1942 mussel
 Trigoniida - Schizodidae
Schizodus sp.
Schizodus sp. King 1844 clam
 Cardiidia - Sanguinolitidae
Sanguinolites sp.
Sanguinolites sp. M'Coy 1844 clam
 Cardiida - Kalenteridae
Permophorus sp., Gujocardita sp., Stutchburia sp.
Permophorus sp. Chavan 1954 clam
Gujocardita sp. Nakazawa and Newell 1968 clam
Stutchburia sp. Etheridge 1900 clam
 Pholadomyida - Megadesmidae
Pyramus sp.
Pyramus sp. Dana 1847 clam
 Pholadomyida - Edmondiidae
Edmondia sp.
Edmondia sp. de Koninck 1841 clam
Gastropoda
 Heterostropha - Streptacididae
Streptacis sp.
Streptacis sp. Meek 1871 snail
 Cerithimorpha - Orthonemidae
Palaeostylus sp.
Palaeostylus sp. Mansuy 1914 snail
 Caenogastropoda - Goniasmatidae
cf. Goniasma sp.
cf. Goniasma sp. Tomlin 1930 snail
 Caenogastropoda - Orthonematidae
Orthonema sp.
Orthonema sp. Meek and Worthen 1862 snail
 Murchisoniina - Soleniscidae
Strobeus sp., Soleniscus sp.
Strobeus sp. de Koninck 1881 snail
Soleniscus sp. Meek and Worthen 1860 snail
 Murchisoniina - Lophospiridae
Manzanospira sp.
Manzanospira sp. Batten 1989 snail
 Murchisoniina - Gosseletinidae
Glabrocingulum sp., Ananias sp., "Zhonghuaspira sp." = Guizhouspira
Glabrocingulum sp. Thomas 1940 snail
Ananias sp. Knight 1945 snail
"Zhonghuaspira sp." = Guizhouspira Wang 1980 snail
 Bellerophontida - Bellerophontidae
Bellerophon sp.
Bellerophon sp. de Montfort 1808 snail
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Lopingoceras sp.
Lopingoceras sp. Shimanskiy 1962
 Nautiloidea -
? Nautiloidea indet.
? Nautiloidea indet. Agassiz 1847 nautiloid
Scaphopoda
 Dentaliida - Dentaliidae
cf. Plagioglypta indet.
cf. Plagioglypta indet. Pilsbry 1898 tusk shell
Scaphopoda
Strophomenata
 Orthotetida - Schuchertellidae
Streptorhynchus sp.
 Orthotetida - Meekellidae
Perigeyerella sp.
 Productida -
Spinomarginifera sp.
Rhynchonellata
 Terebratulida - Dielasmatidae
Dielasma sp.
Dielasma sp. King 1856
 Spiriferida - Elythidae
Phricodothyris sp.
Phricodothyris sp. George 1932
 Athyridida - Athyrididae
Araxathyris sp.
Araxathyris sp. Grunt 1965
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
Spines and plates
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
417 ossicles, 1 arm ossicle, 2 ?basal plates
Rhodophyceae
  - Gymnocodiaceae
Permocalculus sp.
Permocalculus sp. Elliott 1955