Denshin-yama (Miocene of Micronesia, Federated States of)

Where: Northern Mariana Islands, Micronesia, Federated States of (15.3° N, 145.8° E: paleocoordinates 15.3° N, 147.8° E)

• coordinate estimated from map

When: Donney Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: S. Nisiyama. 1968. The echinoid fauna from Japan and adjacent regions, Part II. Paalaeontological Society of Japan Special Papers 13:1-480 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 204437: authorized by Mark Uhen, entered by Mark Uhen on 09.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Brissidae
Metalia pelagica n. sp. heart urchin
 Spatangoida - Schizasteridae
"Paraster saipanicus" = Schizaster (Paraster)
"Paraster saipanicus" = Schizaster (Paraster) heart urchin