| Scientific name |
Platiknemiceras caseyi |
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| Author |
Matsumoto, 1980 |
| Reference |
Trans. Proc. Palaeont. Soc. Japan, N. S., No. 118, p. 333, pl. 37, fig. 5 |
| Type specimen |
Holotype: GK. H6905A |
| Type locality |
Loc. Km 1843b, north of Shimo - fukami, Sakamoto Villege, Yatsushiro County, Kumamoto Prefecture, west Kyushu (130^40'50" E, 32^28'33" N) |
| Formation name |
Middle Member of Yatsushiro Formation |
| Age |
Albian, Lower Cretaceous |
| Remarks |
|