Fig. 30 in Freshwater Stingrays Of The Green River Formation Of Wyoming (Early Eocene), With The Description Of A New Genus And Species And An Analysis Of Its Phylogenetic Relationships (Chondrichthyes: Myliobatiformes)

Fig. 30. †Heliobatis radians. A. Holotype of †Heliobatis radians Marsh, 1877 (YPM 528); note that tail region posterior to disc is missing. B. Holotype of †Palaeodasybatis discus Fowler, 1947 (ANSP 8344), length given as 345 mm TL in original description, but specimen missing distal tip of tail; note that radials of disc and pelvic fins are painted over. This specimen has recently been reported as missing (Spamer et al., 1995: 83). Anterior to top.