Memoirs of the Queensland Museum – Nature 59

Additional chimaeroid specimens from the Early Cretaceous (Late Albian) Toolebuc Formation, Queensland, Australia

Bartholomai, A.

Published online: 15 September 2015

Citation

Bartholomai, A. 2015: Additional chimaeroid specimens from the Early Cretaceous (Late Albian) Toolebuc Formation, Queensland, Australia. Memoirs of the Queensland Museum - Nature 59: 177–185. https://doi.org/10.17082/j.2204-1478.59.2015.2015-03

Accepted

10 June 2015

Published online

15 September 2015

Peer reviewed

Yes

DOI

https://doi.org/10.17082/j.2204-1478.59.2015.2015-03

Keywords

Chimaeroidei, Ptyktoptychion wadeae, ?Ptyktoptychion sp., Eromanga Basin, Toolebuc Formation, Early Cretaceous (Late Albian)

Abstract 

Associated upper and lower tooth plates, comprising both vomerine dental plates, one incomplete left palatine dental plate and one partial left mandibular dental plate from a single individual of the chimaeroid Ptyktoptychion wadeae Bartholomai, 2008, have been collected from near Richmond, north-central Queensland, Australia. This material came from the usually poorly exposed, marine Early Cretaceous (Late Albian) Toolebuc Formation in the north of the Eromanga Basin. The new, associated tooth plates support the reference of palatine and mandibular dental plates identified by Bartholomai (2008) as all belonging to P. wadeae, possibly from a single individual; and also confirms the reference of an isolated vomerine tooth (QMF52605) from the west of the Basin to that species. The first chimaeroid fin spine from the Toolebuc Formation is tentatively referred to ?Ptyktoptychion sp


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