†Petaloconchus sculpturatus alcimus Mansfield 1925 (worm shell)
Gastropoda - Sorbeoconcha - Vermetidae
Alternative combination: Petaloconchus alcimus
Full reference: W. C. Mansfield. 1925. Miocene gastropods and scaphopods from Trinidad, British West Indies. Proceedings of the United States National Museum 66(22):9116-9125
Belongs to Petaloconchus sculpturatus according to B. Landau and C. Marques da Silva 2010
See also Mansfield 1925
Sister taxa: none
Type specimen: USNM 352674, a shell. Its type locality is USGS 9195, which is in a Miocene marine siliciclastic in Trinidad and Tobago.
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Trinidad and Tobago (2 collections)
Total: 2 collections each including a single occurrence