Where: Japan (35.3° N, 135.0° E: paleocoordinates 39.0° N, 112.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Waruishi Formation (Yakuno Group), Aegean to Aegean (247.2 - 242.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Preservation: mold/impression
Primary reference: Y. Ishida, S. Yoshii, and B. Thuy. 2011. Aplocoma sp. (Echinodermata, Ophiuroidea) from the Middle Triassic Yakuno Group of Kyoto, central Japan. Paleontological Research 15:31-36 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 111557: authorized by Matthew Clapham, entered by Matthew Clapham on 25.06.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Ophiuroidea | |
Aplocoma sp. d'Orbigny 1852 brittle star |