Bivalvia - Pectinida - Pectinoidae

Alternative combination: Pecten (Amusium) toulae

Synonyms: Amusium luna Brown and Pilsbry 1913, Pecten (Amusium) luna Brown and Pilsbry 1913

Full reference: A. P. Brown and H. A. Pilsbry. 1911. Fauna of the Gatun Formation, Isthmus of Panama. Proceedings of the Academy of Natural Sciencesof Philadelphia 63(2):336-373

Belongs to Amusium according to W. P. Woodring 1982

Sister taxa: Amusium aguaclarensis, Amusium balloti, Amusium bocasense, Amusium darwinianum, Amusium hulshofi, Amusium lucens, Amusium mimyum, Amusium mortoni, Amusium orientale, Amusium papyraceum, Amusium paris, Amusium pleuronectes, Amusium sol, Amussium alazanum, Amussium destefanii, Amussium lompocensis, Amussium subcorneum, Pecten (Amusium) lyonii

Type specimens:

• Amusium toulae: ANSP 1752, a shell
• Amusium luna: ANSP (no number), a shell.

Average measurements (in mm): shell 79.5 x 79.4