Bivalvia - Pectinida - Heteropectinidae
Alternative combination: Pecten leniusculus
Synonym: Pecten mitis Dana 1849
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 Etheripecten according to J. B. Waterhouse 1988
Sister taxa: Etheripecten alatus, Etheripecten brevauriculatus, Etheripecten chandleri, Etheripecten dawsonensis, Etheripecten escalatus, Etheripecten fasciculicostatus, Etheripecten haydeni, Etheripecten hiemalis, Etheripecten keyserlingiformis, Etheripecten latus, Etheripecten mutabilis, Etheripecten petulantus, Etheripecten plicatus, Etheripecten sichuanensis, Etheripecten striatura, Etheripecten subquinquelineatus, Etheripecten tenuicollis, Etheripecten tianjungensis, Etheripecten trichotomus, Etheripecten wilczeki
Type specimens:
- Etheripecten leniusculus: USNM 3644. Its type locality is Illawarra District (USNM coll), which is in a Wordian coastal siliciclastic in the Gerringong Formation of Australia.
- Pecten mitis: Its type locality is Glendon Homestead, Hunter River (USNM coll), which is in a Roadian coastal siltstone in the Muree Formation of Australia.
Average measurements (in mm): shell 98.3 x 33.9, valve length 22.7