. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. —9AtJ.| BATRACHIA. H25 )B of manrlibleH mio- ndibular mini hUn- »r«e have centr;i as nedially contrail nl; liiimeri long, tliiik- aliened and diluted adiuM uniled iimxi- lie arm proxinuilly itally ; left liaml tx- of which tlie third ;he longer; nniiilicr 1, 47; carpus not (ih- lli. &o Am. Phil. Soc, vol. 2, p. 367, Am. Phil. Soc, , vol. 2, p. 367, 1 ellon lyelU. ( ,2d8er., ,i).1
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. —9AtJ.| BATRACHIA. H25 )B of manrlibleH mio- ndibular mini hUn- »r«e have centr;i as nedially contrail nl; liiimeri long, tliiik- aliened and diluted adiuM uniled iimxi- lie arm proxinuilly itally ; left liaml tx- of which tlie third ;he longer; nniiilicr 1, 47; carpus not (ih- lli. &o Am. Phil. Soc, vol. 2, p. 367, Am. Phil. Soc, , vol. 2, p. 367, 1 ellon lyelU. ( ,2d8er., ,i).158, 2, p. 389, Coal ;ethontls linearis. )e, 1871, Proc. Am. ', [Ely. Phlegethm, » hell.] Head elongate, triangular; body and tail extremely elongate ; dorsal vertebra; without ribs, caudala without dilated spines; no vertebnt- armature; no limbs. Type P. linearis. linearis. Cope, 1871, Proc, 177, and Ohio Pal, joal Meas. serpens, Cope, 1871, Proc p. 177, and Ohio Pal. Coal Meas. l'i,EUuoi-i'YX, Cope, 1875, Ohio Pal., vol. 2, p. 370. [Ety. phura, a rib; plyx, a fold, wing.] Founded upon the vertebral column and ribs; vertebrae of moderate length, zygapophyses well developed, short neural spine in the dorsal region, not sculptured; ribs short, stout, and support a wing on the posterior or con- ; border, which expands downward, and il^en abruptly contracts to the Bhaft; it is broad and truncate, and in ci;ides a medullary cavity partially filled witr cancellated tissue. clavatu^. Cope, 1875, Ohio Pal., vol. 2, p. 870, Coal Meas. Ptyonius, Cope, 1876, Ohio Pal., vol. 2, p. 373. [Ely. ptyon, a fan.] Form elon- gate, with long tail and lane e o 1 a t e cranium ; limbs weak, only poste- rior known; three pec- toral shields; abdomen protected by packed os- seous rods arranged in chevron with •angle direct- ed forward; neural and h ee m a 1 spines of caudal ver- tebrae ex- panded and tan-like; ribs well devel- oped ; teeth small, nu- merous, aim
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
