Osaka University, Machikaneyama (Pleistocene of Japan)

Also known as Toyotamaphimeia (Tomistoma) machikanense type; Machikaneyama-cho, Toyonaka City

Where: Osaka, Japan (34.8° N, 135.5° E: paleocoordinates 34.8° N, 135.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ibaraki Formation (Osaka Group), Middle Pleistocene (0.8 - 0.1 Ma)

• Kasuri Tuff, stratigraphically lower by a metre than the eighth marine clay bed (Ma 8) of the Osaka Group

• bed-level stratigraphic resolution

Environment/lithology: mire or swamp; sandy claystone

• swamp near the inner margin of the paleo-Osaka Bay (Kobatake and Kamei 1969)
• sandy clay horizon lying in between the 7th and 8th clay marine beds

Size class: macrofossils

Collected in 1964

Primary reference: N. Kobatake, M. Chiji, N. Ikebe, S. Ishida, T. Kamei, K. Nakaseko, and E. Matsumoto. 1965. Discovery of crocodile fossil from the Osaka Group. Quaternary Research 4:49-58 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143552: authorized by Philip Mannion, entered by Philip Mannion on 24.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Crocodylia - Gavialidae
"Tomistoma machikanense n. sp." = Toyotamaphimeia machikanensis
"Tomistoma machikanense n. sp." = Toyotamaphimeia machikanensis Kobatake et al. 1965 crocodilian
MOUF00001 - type (associated skeleton, missing the right front and left hind limbs, several ribs and most of the elements of the manus, pes and tail)