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UMUT MM 18809-09

古生物収蔵資料

Subprionocyclus neptuni (Geinitz, 1850)

Citation
2005.

Subprionocyclus neptuni (Geinitz, 1850)

Harada, K. & Tanabe, K. 2005 p. 49, fig. 6B

1993.

Subprionocyclus neptuni (Geinitz)

Tanabe, K. 1993 p. 348

Condition: Present
Material:juvenile
Taxonomy:Mollusca: Cephalopoda:
Geologic Time:Mesozoic:
Reference
Harada, K. and Tanabe, K., 2005: Paedomorphosis in the Turonian (Late Cretaceous) collignoniceratine ammonite lineage from the north Pacific region. Lethaia, vol. 38, no. 1, pp. 47–57. (Reference No. 0798)
Tanabe, K., 1993: Variability and mode of evolution of the middle Cretaceous ammonite Subprionocyclus (Ammonitina: Collignoniceratidae) from Japan. Geobios, no. 15, pp. 347–357, pl. 1. (Reference No. 0695)
UMUT Material Reports: Citation
Ito, Y. et al., 2009, no. 80, p. 9. 
Ichikawa, T., 1995, no. 33, p. 52.