Bivalvia - Pholadomyida - Megadesmidae
Alternative combinations: Cleobis recta, Maeonia recta, Notomya recta
Full reference: J. D. Dana. 1847. Descriptions of fossil shells of the collections of the exploring expedition under the command of Charles Wilkes, USN, obtained in Australia, from the lower layers of the coal formation in Illawarra, and from a deposit probably of nearly the same age at Harper's Hill, Valley of the Hunter. American Journal of Science and Arts, Second Series 4:151-160
Belongs to Megadesmus (Cleobis) according to J. B. Waterhouse 1988
See also Dana 1847, Dana 1849, Etheridge 1880 and Laseron 1910
Sister taxa: Megadesmus (Megadesmus), Megadesmus borealis, Megadesmus deflatus, Megadesmus dembskajae, Megadesmus globlosus, Megadesmus globosus, Megadesmus gryphoides, Megadesmus nobilissimus, Megadesmus ovalis, Megadesmus pristinus, Megadesmus robusta, Megadesmus trigonalis, Megadesmus (Cleobis) grandis
Type specimen: USNM 3651. Its type locality is Wollongong Point, Illawarra (USNM coll), which is in a Wordian coastal siliciclastic in the Gerringong Formation of Australia.
Distribution:
• Permian of Australia (3 collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.