Where: Japan (38.4° N, 141.0° E: paleocoordinates 45.0° N, 122.2° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Protrachyceras reitzi ammonoid zone, Rifu Formation, Fassanian (242.0 - 235.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, sandy, calcareous shale
Size class: macrofossils
Preservation: mold/impression
Collected by K. Hatai
Primary reference: Y. Bando. 1964. The Triassic stratigraphy and ammonite fauna of Japan. Science Reports of the Tohoku University. Second Series, Geology 36:1-137 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 124316: authorized by Matthew Clapham, entered by Matthew Clapham on 11.02.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Monophyllites wengensis Klipstein 1843 ammonite
Monophyllites cf. wengensis Klipstein 1843 ammonite | |
Hungarites nipponicus n. sp.
Hungarites nipponicus n. sp. Bando 1964 ceratite | |
"Protrachyceras reitzi" = Reitziites reitzi, "Paraceratites cf. clarkei" = Silberlingitoides clarkei
"Protrachyceras reitzi" = Reitziites reitzi Boeckh 1875 ceratite
"Paraceratites cf. clarkei" = Silberlingitoides clarkei Smith 1914 ceratite | |
Flexoptychites matsushimaensis n. sp., Ptychites sp., "Ptychites cf. trocheaeformis" = Ptychites trochleaeformis, Ptychites nipponicus n. sp., Ptychites miyagiensis n. sp.
Flexoptychites matsushimaensis n. sp. Bando 1964 ceratite
"Ptychites cf. trocheaeformis" = Ptychites trochleaeformis Lindstroem 1865 ceratite
Ptychites miyagiensis n. sp. Bando 1964 ceratite | |
|
"Japonites" cf. dieneri Martelli 1904 ceratite | |
|
Anagymnites aff. acutus Hauer 1892 ceratite
Epigymnites aff. jollyanus Oppel 1863 ceratite | |
|
? Tropigastrites sp. Smith 1914 ceratite | |
|
Protrachyceras sp. Mojsisovics 1893 ceratite | |