PBDB Taxon

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

Oxytropidoceras (Venezoliceras) umsinenense

Cephalopoda - Ammonoida - Mojsisovicsiidae

Taxonomy

Lophoceras umsinenense was named by van Hoepen (1931). Its type specimen is SAM-PCZ19190, a shell, and it is a 3D body fossil. Its type locality is Umsinene river, north of Hluhluwe, which is in an Albian marine siltstone in the Mzinene Formation of South Africa.

It was recombined as Oxytropidoceras (Venezoliceras) umsinenense by Kennedy and Klinger (2011).

Sister species lacking formal opinion data

O. multifidum, O. pandalense, O. robustum, O. roissyi, Venezoliceras chihuahuaense

Year	Name and author
1931	Lophoceras umsinenense van Hoepen p. 41 fig. 1,2
2011	Oxytropidoceras (Venezoliceras) umsinenense Kennedy and Klinger p. 74 figs. 13-19

part	N	mean	minimum	maximum	median	s.d.
shell height	3	72.0	61.0	98.0	62.5	20.9
shell diameter	3	169.4	140.0	237.0	146.5	54.2
shell inflation	3	49.2	37.2	76.0	42.0	21.2

Time interval	Ma	Country or state	Original ID and collection number
Middle Albian	110.1 - 106.3	South Africa	Oxytropidoceras umsinenense (177368)
Middle Albian - Late/Upper Albian	110.1 - 100.5	South Africa	Oxytropidoceras umsinenense (177364 177370)
Late/Upper Albian	106.3 - 100.5	South Africa	Lophoceras umsinenense (177372) Oxytropidoceras umsinenense (66017) Tarfayites sp. (66014)