Phnom Bak, Sisophon (Permian of Cambodia)

Where: Cambodia (13.6° N, 102.9° E: paleocoordinates 14.4° S, 103.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: D Member (Sisophon Formation), Capitanian (265.1 - 259.9 Ma)

• Fusulinids from member D include Lepidolina multiseptata, Verbeekina verbeeki, Chusenella cambodgensis and Chusenella globularis

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, gray limestone

• Gray to dark gray bedded limestone

Size class: macrofossils

Primary reference: K. I. Ishii and M. Murata. 1974. Khumerspira, a new genus of Bellerophontidae, and some Middle Permian gastropods from Cambodia. Journal of Geosciences, Osaka City University 17(3):73-86 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40944: authorized by David Bottjer, entered by Matthew Clapham on 04.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bellerophontida - Bellerophontidae
"Bellerophon (Bellerophon) aff. regularis" = Mogulia regularis, Khumerspira ishii n. sp.
"Bellerophon (Bellerophon) aff. regularis" = Mogulia regularis Waagen 1880 snail
Khumerspira ishii n. sp. Murata 1974 snail