. The Cyathaspididae; a family of Silurian and Devonian jawless vertebrates. Cyathaspididae. 400 FIELDIANA: GEOLOGY, VOLUME 13. Fig. 136. Dinaspidella robusta, type (from Kiaer, 1932); incomplete dorsal shield, Paleontologisk Museum, Oslo, D 454 (X about 2). A, lateral view of left side; B, dorsal view. orb, orbit; pbl, postbranchial lobe; pm, pineal macula. species of Dinaspis. A dorsal shield (fig. 136) in the Paleontologisk Museum, Oslo, D 454 (op. cit., pi. 4, figs. 2-3) was designated as type of D. robusta. cf. Dinaspidella sp. Referred specimen.—CNHM, PF 3871, broken and incomplete dorsa
. The Cyathaspididae; a family of Silurian and Devonian jawless vertebrates. Cyathaspididae. 400 FIELDIANA: GEOLOGY, VOLUME 13. Fig. 136. Dinaspidella robusta, type (from Kiaer, 1932); incomplete dorsal shield, Paleontologisk Museum, Oslo, D 454 (X about 2). A, lateral view of left side; B, dorsal view. orb, orbit; pbl, postbranchial lobe; pm, pineal macula. species of Dinaspis. A dorsal shield (fig. 136) in the Paleontologisk Museum, Oslo, D 454 (op. cit., pi. 4, figs. 2-3) was designated as type of D. robusta. cf. Dinaspidella sp. Referred specimen.—CNHM, PF 3871, broken and incomplete dorsal and ventral shields, associated. Occurrence.—Probably Early Devonian, approximately 70 feet above top of "Ronning" dolomite, immediately west of Snake River, northern Yukon; 65° 22' N., 133° 30' W.; (locality Z Fx 36A of Cali- fornia Standard Company). Description and discussion.—In the absence of sufficient diag- nostic characters, the reference of this specimen to Dinaspidella is uncertain. The dorsal shield does not have distinct epitega. Its length and proportions are not measurable, but the orbits and in-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Denison, Robert H. (Robert Howland), 1911-1985; Chicago Natural History Museum. Chicago : Chicago Natural History Museum Press
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