†Cyrtorostra varicostata Branson 1930 (scallop)
Bivalvia - Pectinida - Deltopectinidae
PaleoDB taxon number: 126805
Synonyms: Aviculopecten alatus Branson 1930 (no. 229172), Aviculopecten alternatus Branson 1930 (no. 229171)
Belongs to Cyrtorostra according to S. A. Quiroz-Barroso et al. 2012
Sister taxa: Cyrtorostra atavum, Cyrtorostra cardiiformis, Cyrtorostra caucasica, Cyrtorostra fraterna, Cyrtorostra jisuensis, Cyrtorostra laticostata, Cyrtorostra limitans, Cyrtorostra lunwalensis, Cyrtorostra nana, Cyrtorostra obeliscus, Cyrtorostra omanensis, Cyrtorostra primorica, Cyrtorostra subexotica, Cyrtorostra trifurcata
Type specimens:
- Cyrtorostra varicostata: Its type locality is Bull Lake (Ervay Mb), Cedar Ridge, Fremont County, which is in a Capitanian carbonate limestone in the Park City Formation of Wyoming
- Aviculopecten alatus:
- Aviculopecten alternatus:
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 9.62 x 4.67, valve length 5.22