†Astraspis Walcott, 1892 †Astraspis desiderata Walcott, 1892 †Astraspis desiderata Walcott, 1892 †Astraspis desiderata Walcott; Ross, 1957 †Astraspis splendens (Ørvig); Smith, Sansom & Smith, 1995 †Astraspis desiderata Walcott; Sansom et al., 1997 †Astraspis desiderata Walcott; Sansom & Smith, 2005 including: †Pycnaspis splendens Ørvig, 1958; Smith, Sansom & Smith, 1996
Reference(s):
- Elliott, D. K., 1987: A reassessment of Astraspis desiderata, the oldest North American vertebrate.
–Science: Vol. 237, #4811, pp. 190-192 - Ossian, C. R. & Halseth, M. A., 1976: Discovery of Ordovician vertebrates in the Arbuckle Mountains of Oklahoma.
–Journal of Paleontology: Vol. 50, #5, pp. 773-777 - Sansom, I. J. & Smith, M. P., 2005: Late Ordovician vertebrates from the Bighorn Mountains of Wyoming, USA.
–Palaeontology: Vol. 48, #1, pp. 31-48