Himantura souarfortuna
Adnet et al., 2020
Classification: Elasmobranchii Myliobatiformes Dasyatidae
Reference of the original description
Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia. Palaeontologica Electronica, 23(2), Article a38
Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia. Palaeontologica Electronica, 23(2), Article a38
Description:
Citation: Himantura souarfortuna Adnet et al., 2020: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026
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Description
Original diagnosis after Adnet et al., 2020 [28754]: Fossil Himantura only known by isolated teeth reaching a large size (4 mm long). The heterodonty is weak with only molariform teeth without cusp. It differs from the others representatives of urogymnins known to date by having teeth with a globular crown marked by a transversal keel, rarely cutting, and often bombed and striated by numerous regular vertical ridges, a finely rugose labial face, and a low root with well-separated lobes.
Original diagnosis after Adnet et al., 2020 [28754]: Fossil Himantura only known by isolated teeth reaching a large size (4 mm long). The heterodonty is weak with only molariform teeth without cusp. It differs from the others representatives of urogymnins known to date by having teeth with a globular crown marked by a transversal keel, rarely cutting, and often bombed and striated by numerous regular vertical ridges, a finely rugose labial face, and a low root with well-separated lobes.
Remarks
shark-references Species-ID=16006;
shark-references Species-ID=16006;
References
Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia. Palaeontologica Electronica, 23(2), Article a38
DOI: 10.26879/1085
Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia. Palaeontologica Electronica, 23(2), Article a38
DOI: 10.26879/1085
