Gastropoda - Murchisoniina - Gosseletinidae
Alternative combination: Mourlonia toyomensis
Full reference: M. Murata. 1969. Molluscan fauna of the Toyoma Formation (Late Permian). Saito Ho-on Kai Museum of Natural History Research Bulletin 38:1-22
Belongs to Ptychomphalina according to P. J. Wagner 2023
See also Murata 1969
Sister taxa: Ptychomphalina angulata, Ptychomphalina banschangensis, Ptychomphalina brondensis, Ptychomphalina cancellata, Ptychomphalina canovana, Ptychomphalina convivens, Ptychomphalina cuneoi, Ptychomphalina dickinsi, Ptychomphalina discoidea, Ptychomphalina fasciata, Ptychomphalina inexpectata, Ptychomphalina lucina, Ptychomphalina magna, Ptychomphalina moscardii, Ptychomphalina protei, Ptychomphalina regulata, Ptychomphalina regulosa, Ptychomphalina reticuloidea, Ptychomphalina sabattinii, Ptychomphalina taramellii, Ptychomphalina testis, Ptychomphalina tieni, Ptychomphalina trinchesil, Ptychomphalina turgentis, Ptychomphalina vesiculosa
Type specimen: IGPS 91371. Its type locality is Kitazawa (Lower), Toyoma-cho, Tome-gun, Miyagi Prefecture, which is in a Wuchiapingian marine mudstone in the Toyoma Formation of Japan.
Average measurements (in mm): shell diameter 21.8
Distribution:
• Permian of Japan (6 collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.