The status of the generic nomina Hedronchus Cope, 1877, Hemitrypus Cope, 1877 and Scapherpeton Cope, 1877 and of the related specific nomina (Amphibia, Urodela)

The status of the generic nomina Hedronchus Cope, 1877, Hemitrypus Cope, 1877 and Scapherpeton Cope, 1877 and of the related specific nomina (Amphibia, Urodela)

Alain DUBOIS & Thierry FRETEY urn:lsid:zoobank.org:pub:72A15C11-AF47-4787-9D32-FBAB00196FA0 In two distinct works published in 1877, Cope described three fossil genera of vertebrates, Hedronchus, Hemitrypus and Scapherpeton, which are now considered to be based on a single species of urodelan amphibian. The respective dates of publications of these works require to adopt Hedronchus sternbergii as the valid nomen of this taxon, which is now part of the family SCAPHERPETIDAE. This case highlights the kind of problems that can be caused by the formal...

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