Genus: Toyotamphiamela AOKI, 1983
Etymology: Toyotamaphime, a Japanese goddess of the crocodilian incarnate.

Species: machikanense (KAMOI & MATSUMOTO, 1965) AOKI, 1983
Etymology:
= Tomistoma machikanensie KAMOI & MATSUMOTO, 1965

Holotype: MOUF0001

Locality: Osaka Prefecture, Honshu Island, Central Japan.

Horizon: Osaka Group.

Biostratigraphy:

Age: Pliocene Epoch, Upper Neogene Period, Lower Quaternary Subera-Pleistocene Epoch, Upper Quaternary Subera, Upper Cenozoic Era.

Material: Skull and skeleton.

Note: Patology, anterior third of the mandible was amputatedand shows signs of healing. The right tibia and fibula were factured, and each of them was later fused in dislocated position with callus formation. Additionally, there are two puncture marks on a dermal scute. Possibly incured by territorialty or mating.

Referred material:

IIJIMA, MOMOHARA, KOBAYSHI, HAYASHI, IKEDA, TARUNO, WATANABE, TANIMOTO, & FURUI, 2018

Locality: 7.5 m below the pavement at an intersection in Nagareki-cho, Kishiwada City, Osaka Prefecture, Honshu Island, Central Japan.

Horizon: Senpoku Formation, Upper part of the Osaka Group.

Biostratigraphy:

Age: Pliocene Epoch, Upper Neogene Period, Lower Quaternary Subera-Pleistocene Epoch, Upper Quaternary Subera, Upper Cenozoic Era.

Material:

KSNHM-F7-6: Fragmentary skull, mandible, tooth, hyoid, humerus, pubis, femur, vertebrae, rib and dorsal osteoderms.