ammonites
Neotornquistia tropicalis Grant 1976 (lamp shell)

Strophomenata - Productida - Anopliidae

Alternative combination: Tornquistia tropicalis

Full reference: R. E. Grant. 1976. Permian brachiopods from southern Thailand. Paleontological Society Memoir 9:1-269

Belongs to Neotornquistia according to G. A. Afanasjeva 2008

Sister taxa: Neotornquistia aljutovica, Neotornquistia timanensis

Type specimen: USNM 211933, a shell (Articulated shell)

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 3.82 x 5.17, valve 5.41 x 6.91