. Early Devonian fishes from Utah : Heteroostraci . Fig. 76. Restoration of dorsal shield of Proia^pis dorfi (X 1). br, branchial opening; brp, branchial plate; cpp, posterior scale-like process of cornual plate; dd, dorsal disk; dsp, dorsal spine; gl, growth lines; Ml, lateral dorsal sensory line; mdl, median dorsal sensory line; or, orbital plate; pi, pineal plate; ro, rostral plate; sol, supraorbital sensory line; (c3-5, dorsal transverse sensory commissures. Canyon Formation in Cottonwood Canyon, near locality G, and is now in the United States National Museum collections (no. 20524). It h
. Early Devonian fishes from Utah : Heteroostraci . Fig. 76. Restoration of dorsal shield of Proia^pis dorfi (X 1). br, branchial opening; brp, branchial plate; cpp, posterior scale-like process of cornual plate; dd, dorsal disk; dsp, dorsal spine; gl, growth lines; Ml, lateral dorsal sensory line; mdl, median dorsal sensory line; or, orbital plate; pi, pineal plate; ro, rostral plate; sol, supraorbital sensory line; (c3-5, dorsal transverse sensory commissures. Canyon Formation in Cottonwood Canyon, near locality G, and is now in the United States National Museum collections (no. 20524). It has been beautifully prepared on both sides and shows many interesting anatomical details. Dr. David H. Dunkle, through whose kindness I have been able to study this specimen, originally compared
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookcollectionbiodiver, booksubjectfishesfossil
