PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Bellerophon contortus

Taxonomy

Bellerophon contortus was named by d'Eichwald (1856). It is a 3D body fossil.

It was recombined as Bucania contorta by Reed (1921); it was recombined as Megalomphala contorta by Ulrich and Scofield (1897), Koken and Perner (1925), Knight (1941), Knight et al. (1960), Rohr (1980), Peel (1991), Ebbestad (1999), Ebbestad (1999), Wagner (2023).

Sister species lacking formal opinion data

Year	Name and author
1856	Bellerophon contortus d'Eichwald p. 587
1860	Bellerophon contortus d'Eichwald p. 1072 figs. pl. 41 f. 3
1897	Megalomphala contorta Ulrich and Scofield p. 850
1921	Bucania contorta Reed p. 31
1925	Megalomphala contorta Koken and Perner p. 67 figs. pl. 25 f. 4-5, 11
1941	Megalomphala contorta Knight p. 192 figs. pl. 8 f. 1a-b
1960	Megalomphala contorta Knight et al. p. 180 figs. f. 96.2
1980	Megalomphala contorta Rohr pp. 152 - 153 figs. pl. 1 f. 4-10
1991	Megalomphala contorta Peel p. 98 figs. f. 24a-f
1999	Megalomphala contorta Ebbestad p. 162
2023	Megalomphala contorta Wagner p. 287