Where: Japan (35.4° N, 135.2° E: paleocoordinates 32.2° N, 111.3° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Maizuru Group, Changhsingian (254.2 - 252.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression
Primary reference: D. Shimizu. 1961. Brachiopod fossils from the Permian Maizuru Group. Memoirs of the College of Science, University of Kyoto, Series B 27:309-351 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 73812: authorized by John Alroy, entered by John Alroy on 01.07.2007, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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Strophomenata | |
Megousia sp.2 Muir-Wood and Cooper 1960 | |
"Chonetina substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides, "Chonetina cf. strophomenoides" = Neochonetes (Sommeriella) strophomenoides, Chonetinella krotovi3, Chonetinella transversa3
"Chonetina substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
"Chonetina cf. strophomenoides" = Neochonetes (Sommeriella) strophomenoides Waagen 1884 | |
Derbyia cf. grandis Waagen 1884
Derbyia altestriata Waagen 1884 | |
Rhynchonellata | |
Hustedia grandicosta Davidson 1862 |