†Astraspis desiderata Walcott 1892 (jawless fish)
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Pteraspidomorpha - Astrapidiformes - Astraspididae
Synonym: Astraspis splendens Orvig 1958
Full reference: C. D. Walcott. 1892. Preliminary notes on the discovery of a vertebrate fauna in Silurian (Ordovician) strata. Geological Society of America Bulletin 3:153-172
Belongs to Astraspis according to I. J. Sansom et al. 1997
See also Hay 1902 and Walcott 1892
Sister taxa: none
Type specimens:
- Astraspis desiderata: USNM 8121. Its type locality is Harding Quarry, northwest of Cañon City, which is in a Franklinian open shallow subtidal sandstone in the Harding Sandstone Formation of Colorado.
- Astraspis splendens: USNM 21333 (detached exoskeletal plate, showing typical ornamentation).
Ecology:
Distribution:
• Ordovician of Canada (11: Ontario collections), United States (4: Colorado, Wyoming)
Total: 15 collections including 16 occurrences
Specimen images are retrieved through the ePANDDA API.
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