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Hardistiella montanensis Janvier & Lund, 1983

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Hardistella montanensis Janvier & Lund, 1983

A Lamprey

Lower Carboniferous

Heath Shale Formation

Bear Gulch

Montana

USA

Lit.:

Janvier, P. & Lund, R. 1983 – Hardistiella montaniensis from the Lower Carboniferous of Montana with remarks on the affinity of the lampreys. J. Vert. Paleont. 2, 407-413.

Janvier, P. & Lund, R. 1986 – A second lamprey from the Lower Carboniferous of Bear Gulch Montana. Geobios 19, 647-652.

Robert S. Sansom, Sarah E. Gabbott, and Mark A. Purnell

Decay of vertebrate characters in hagfish and lamprey (Cyclostomata) and the implications for the vertebrate fossil record Proc. R. Soc. B. 2011 278 1709 1150-1157

From the album:

Vertebrates

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