Cristomylus cf. bulldogensis
Kirkland, Eaton & Brinkman, 2013
Classification: Elasmobranchii Rhinopristiformes Rhinobatidae
Reference of the original description
Elasmobranchs from upper Cretaceous freshwater facies in southern Utah. In At the top of the Grand Staircase – The Late Cretaceous of southern Utah. LOEWEN, Alan L. TITUS & Mark A. (Eds.), Indian Univ. Press.: 153–194, fig. 9.1–9.22
Elasmobranchs from upper Cretaceous freshwater facies in southern Utah. In At the top of the Grand Staircase – The Late Cretaceous of southern Utah. LOEWEN, Alan L. TITUS & Mark A. (Eds.), Indian Univ. Press.: 153–194, fig. 9.1–9.22
Types
Cristomylus cf. bulldogensis
Cristomylus cf. bulldogensis
Description:
Citation: Cristomylus cf. bulldogensis Kirkland, Eaton & Brinkman, 2013: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
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Description
Original diagnosis after Kirkland, Eaton & Brinkman, 2013 [20268]: Immature teeth nearly identical to those of Cristomylus nelsoni, but reaching considerably larger size of as much as 4 mm across, often with faint crenulations on labial face of crown. These larger teeth are higher crowned and can be distinguished from Cristomylus cifellii in having a stronger transverse crest, and flatter lateral and oral surfaces of the crown (Fig. 9.14).
Original diagnosis after Kirkland, Eaton & Brinkman, 2013 [20268]: Immature teeth nearly identical to those of Cristomylus nelsoni, but reaching considerably larger size of as much as 4 mm across, often with faint crenulations on labial face of crown. These larger teeth are higher crowned and can be distinguished from Cristomylus cifellii in having a stronger transverse crest, and flatter lateral and oral surfaces of the crown (Fig. 9.14).
References
Elasmobranchs from upper Cretaceous freshwater facies in southern Utah. In At the top of the Grand Staircase – The Late Cretaceous of southern Utah. LOEWEN, Alan L. TITUS & Mark A. (Eds.), Indian Univ. Press.: 153–194, fig. 9.1–9.22
Elasmobranchs from upper Cretaceous freshwater facies in southern Utah. In At the top of the Grand Staircase – The Late Cretaceous of southern Utah. LOEWEN, Alan L. TITUS & Mark A. (Eds.), Indian Univ. Press.: 153–194, fig. 9.1–9.22
