Psammodus rhomboideus

Newberry & Worthen, 1866

Classification: Holocephali Psammodontiformes Psammodontidae

Reference of the original description

Newberry, J.S. & Worthen, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134

Types
Psammodus rhomboideus

Description:

Citation: Psammodus rhomboideus Newberry & Worthen, 1866: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025

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Remarks
shark-references Species-ID=13606;
synonym of Sandalodus carbonarius after Woodward (1889) p.188 [2593]

References

Newberry, J.S. & Worthen, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134