Artiopoda - Agnostida - Agnostidae
Alternative combination: Geragnostus intermedius
Belongs to Micragnostus according to Ludvigsen 1989
See also Robison and Pantoja-Alor 1968
Sister taxa: Geragnostus (Micragnostus) acrolebes, Geragnostus (Micragnostus) bilobus, Geragnostus (Micragnostus) chengcunensis, Micragnostus brevispinus, Micragnostus calviformis, Micragnostus calvus, Micragnostus chiushuensis, Micragnostus curvata, Micragnostus elongatus, Micragnostus insolitus, Micragnostus mutabilis, Micragnostus orientalis, Micragnostus quadratiformis, Micragnostus serus, Micragnostus strictus, Micragnostus vilonii
Distribution:
• Ordovician of Canada (1: Newfoundland and Labrador collection)
• Tremadoc of Canada (1: Northwest Territories), Mexico (19)
• Taoyuanian of South Korea (8)
• Cambrian of Canada (2: Newfoundland and Labrador), Kazakhstan (21), South Korea (1)
Total: 53 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.