Bivalvia - Arcida - Parallelodontidae
Alternative combination: Parallelodon obsoletiformis
Full reference: I. Hayasaka. 1925. On some Paleozoic molluscs of Japan. 1. Lamellibranchiata and Scaphopoda. Science Reports of the Tohoku Imperial University. 2nd series, Geology 8(2):1-29
Belongs to Grammatodon (Cosmetodon) according to H. Prinoth and R. Posenato 2023
See also Hayasaka 1925, Nakazawa 2007 and Yancey 1985
Sister taxa: Grammatodon (Cosmetodon) keyserlingii, Grammatodon (Cosmetodon) marshallensis, Grammatodon (Cosmetodon) mediodepressum, Grammatodon (Cosmetodon) politus, Grammatodon (Cosmetodon) sulcatinus, Grammatodon (Cosmetodon) suzukii
Type specimen: Its type locality is Kinshozan, Kuro zone, Akasaka, Gifu Prefecture, which is in a Capitanian carbonate limestone in the Akasaka Formation of Japan
Ecology: facultatively mobile low-level epifaunal suspension feeder
Distribution:
• Permian of Italy (2 collections), Japan (2), Malaysia (1)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.