Where: Japan (36.1° N, 138.8° E: paleocoordinates 46.6° N, 140.8° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Ishido Formation, Late/Upper Barremian (130.0 - 125.5 Ma)
• upper Ishido Formation
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified, calcareous sandstone
Size class: macrofossils
Primary reference: G. D. Stanley, Jr. and Y. Kanie. 1985. The first mesozoic chondrophorine (medusoid hydrozoan) from the Lower Cretaceous of Japan. Palaeontology 28(1):101-109 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 66079: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.09.2006, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Hydrozoa | |
Cephalopoda | |
? Calliphylloceras sp. Spath 1927 ammonite
Phyllopachyceras aff. infundibulum d'Orbigny 1840 ammonite | |
? Kabylites sp. Durand Delga 1954 ammonite | |
Barremites (Barremites) sp., Barremites (Barremites) aff. difficilis, "Barremites (Barremites) aff. strettostoma" = Barremitites strettostoma, ? Pseudohaploceras otsukai
Barremites (Barremites) sp. ammonite
Barremites (Barremites) aff. difficilis d'Orbigny 1840 ammonite
"Barremites (Barremites) aff. strettostoma" = Barremitites strettostoma Uhlig 1883 ammonite
? Pseudohaploceras otsukai ammonite | |
Acrioceras aff. tabarelli Astier 1851 ammonite | |
Heteroceras sp. d'Orbigny 1849 ammonite
? Heteroceras sp. d'Orbigny 1849 ammonite | |
? Hamiticeras sp. Anderson 1938 ammonite
? Lytocrioceras furcatum ammonite
? Lytocrioceras sp. ammonite | |
Aconeceras sp. Hyatt 1903 ammonite | |
Anahamulina sp. Hyatt 1900 ammonite
Anahamulina aff. subcylindrica d'Orbigny 1850 ammonite | |
"Cymatoceras aff. neocomiensis" = Cymatoceras neocomiense
"Cymatoceras aff. neocomiensis" = Cymatoceras neocomiense d'Orbigny 1840 nautiloid | |
Heminautilus japonicus n. sp.
Heminautilus japonicus n. sp. Baudouin et al. 2016 nautiloid Heminautilus cf. H. lallierianus in Obata et al., 1984
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