Haptosphenus Estes 1964 (squamates)

Reptilia - Squamata - Chamopsiidae

Full reference: R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187

Parent taxon: Chamopsiidae according to N. R. Longrich et al. 2012

See also Bryant 1989, Carroll 1988, Estes 1964, Estes 1983, Estes and Berberian 1970, Gao and Fox 1991, Gao and Fox 1996 and Nydam et al. 2010

Sister taxa: Chamops, Leptochamops, Meniscognathus, Pelsochamops, Peneteius, Prototeius, Socognathus, Stypodontosaurus, Tripennaculus

Subtaxa: Haptosphenus placodon

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Type: Haptosphenus placodon

Ecology:

Distribution:

• Cretaceous of Canada (3: Alberta, Saskatchewan collections), United States (8: Montana, New Jersey, Wyoming)

Total: 11 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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