Maoming Basin (Eocene of China)

Where: Guangdong, China (21.7° N, 110.9° E: paleocoordinates 22.6° N, 109.9° E)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Youganwo Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• Also known as Youkanwo Formation

• formation-level stratigraphic resolution

Environment/lithology: lacustrine - large; brown shale

• dark brown oil shales

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (float),

Primary reference: J. Claude, J.-Y. Zhang, J.-J. Li, J.-Y. Mo, X.-W. Kuang and H. Tong. 2012. Geoemydid turtles from the Late Eocene Maoming basin, southern China. Bulletin de la Societe Geologique de France 183(6):641-651 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167230: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.03.2015, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Cypriniformes - Cyprinidae
Cyprinus maomingensis carp-like fish
Reptilia
 Testudines - Trionychidae
"Aspideretes impressus" = Trionyx impressus
"Aspideretes impressus" = Trionyx impressus Yeh 1963 softshell turtle
 Testudines - Carettochelyidae
Anosteira maomingensis n. sp. Chow and Liu 1955 turtle
IVPP V 809
 Testudines - Pangeoemydidae
Isometremys lacuna n. gen. n. sp.2, Guangdongemys pingi n. gen. n. sp.
Isometremys lacuna n. gen. n. sp.2 Chow and Yeh 1962 turtle
Holotype IVPP V 1049, paratype IVPP V 1003
Guangdongemys pingi n. gen. n. sp. Claude et al. 2012 turtle
 Crocodylia -
"Tomistoma petrolica" = Maomingosuchus petrolica
"Tomistoma petrolica" = Maomingosuchus petrolica Yeh 1958 crocodilian
DM-F0001, DM-F0003, DM-F0005, DM-F0006, DM-F0008, DM-F0009, DM-F0014, DM-F0016-0018, NMNS005146-F041793, NMNS005769-F044025, NMNS002198-F027585, NMNS002060-F027511, PFMM-F0011, NMNS006379-F049602, NMNS005769-F044026 and PFMM-F0019
Mammalia
 Ungulata - Anthracotheriidae
Anthracokeryx naduongensis1 Ducrocq et al. 2015 anthracothere
SYSU-M-1