Otozamites crassipinnatus

Name

Otozamites crassipinnatus

Rank

Species

Generic Name

[Genus] Otozamites

Authors (Pub.)

Yamada T. Uemura K.  

Publication

The plant fossils from the Kaizara Formation (Callovian, Jurassic) of the Tetori Group in the Izumi district, Fukui Prefecture, Central Japan [2008/4]

Journal

Palaeontological Research

Volume

12

Issue

1

Page number

7

Year

2008

Fossil Status

foliage

Stratigraphy

Callovian

Location

Horadani, Kaizara area, Izumi district, Fukui Prefecture, central Japan

Paleoregion

Eurasia (Japanese Archipelago)

Data for Holotypus

Repository

National Museum of Nature and Science, Palaeobotany Collection, Tokyo, Japan

Repository Number

NSM-PP-9914

Num

3 F, G

Pub.

The plant fossils from the Kaizara Formation (Callovian, Jurassic) of the Tetori Group in the Izumi district, Fukui Prefecture, Central Japan [2008/4]

Data for Paratypus

Repository

National Museum of Nature and Science, Palaeobotany Collection, Tokyo, Japan

Repository Number

NSM-PP-9916 (Figure 3H), NSM-PP 9920 (Figure 3I), NSM-PP-9915 (Figure 3J).

Num

3 H, I, J

Pub.

The plant fossils from the Kaizara Formation (Callovian, Jurassic) of the Tetori Group in the Izumi district, Fukui Prefecture, Central Japan [2008/4]

Diagnosis

Rachis completely covered by pinnae. Pinnae alternate, thick, convex adaxially, arising at 60°. Pinna margin reflexed. Acroscopic angle of pinna overlapping diagonal basiscopic angle of pinna. Pinna apex obtuse to round. Veins radiating from pinna attachment, forked, at maximum concentration there are ca. 40 per cm.