†Ampyxoides semicostatus Billings 1865 (trilobite)
Click image to enlarge. Click to access iDigBio record.
Trilobita - Trinucleida - Raphiophoridae
Alternative combinations: Ampyx semicostatus, Lonchodomas semicostatus, Raphiophorus semicostatus
Belongs to Ampyxoides according to H. B. Whittington 1965
See also Billings 1865, Raymond 1925 and Sennikov et al. 2019
Sister taxa: Ampyxoides inermis, Ampyxoides occipitalis
Type specimen: GSC 690 (lectotype), a pygidium
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Whiterockian of Canada (10: Newfoundland and Labrador collections)
• Chazyan of Canada (2: Newfoundland and Labrador)
• Ordovician of the Russian Federation (2)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.