Matan 3, 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)

• 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 50025: authorized by David Bottjer, entered by Matthew Clapham on 04.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Agelasida - Guadalupiidae
Cystothalamia sp. Girty 1908 demosponge
Hydrozoa
  -
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
 Pseudorthocerida - Spyroceratidae
Lopingoceras sp. Shimanskiy 1962
Polyplacophora
  -
? Polyplacophora indet. de Blainville 1816 chiton
Gastropoda
 Murchisoniina - Soleniscidae
Soleniscus sp. Meek and Worthen 1860 snail
Cylindritopsis sp. Gemmellaro 1889 snail
Strobeus sp. de Koninck 1881 snail
 Murchisoniina - Lophospiridae
Manzanospira sp. Batten 1989 snail
 Murchisoniina - Phymatopleuridae
Callitomaria sp. Batten 1956 snail
 Murchisoniina - Gosseletinidae
"Zhonghuaspira sp." = Guizhouspira, Ananias sp.
"Zhonghuaspira sp." = Guizhouspira Wang 1980 snail
Ananias sp. Knight 1945 snail
 Bellerophontida - Bellerophontidae
Retispira sp. Knight 1945 snail
 Caenogastropoda - Meekospiridae
Meekospira sp. Ulrich and Scofield 1897 snail
 Caenogastropoda - Orthonematidae
Orthonema sp. Meek and Worthen 1862 snail
 Cerithimorpha - Orthonemidae
Palaeostylus sp., "Stegocoelia (Donaldospira) sp." = Donaldospira
Palaeostylus sp. Mansuy 1914 snail
"Stegocoelia (Donaldospira) sp." = Donaldospira Batten 1966 snail
 Heterostropha - Streptacididae
Streptacis sp. Meek 1871 snail
Bivalvia
 Arcida - Parallelodontidae
Grammatodon sp. Meek and Hayden 1860 clam
Parallelodon sp. Meek and Worthen 1866 clam
 Pectinida -
Pectinoidea indet. Rafinesque 1815 scallop
 Ostreida - Bakevelliidae
Ensipteria sp. Nakazawa and Newell 1968 oyster
 Ostreida - Ostreidae
"Lopha" sp. Röding 1798 oyster
 Mytilida - Mytilidae
? Mytilidae indet. Rafinesque 1815 mussel
Promytilus sp. Newell 1942 mussel
 Cardiida - Kalenteridae
Stutchburia sp. Etheridge 1900 clam
Gujocardita sp. Nakazawa and Newell 1968 clam
 Carditida - Astartidae
Astartella sp. Hall 1858 clam
 Trigoniida - Myophoriidae
Myophoriidae indet. Bronn 1847 clam
 Solemyida - Solemyidae
Solemya sp. Children 1823 Awning Clam
Strophomenata
 Orthotetida - Meekellidae
 Orthotetida - Schuchertellidae
 Productida -
Rhynchonellata
 Spiriferida - Elythidae
Phricodothyris sp. George 1932
 Athyridida - Athyrididae
Rectambitus sp. Xu and Grant 1994
Araxathyris sp. Grunt 1965
 Terebratulida - Dielasmatidae
Dielasma sp. King 1856
 Terebratulida - Notothyrididae
Notothyris sp. Waagen 1882
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
439 ossicles, 3 arm ossicles, 1 ?calyx basal plate
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Spines and plates