. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Or^. Rem., 24, Trenton BillingH, \m), Rem., Decade 4, p. 45, Trenton Gr. rhombiferuH, BilliiiKH, 18.')9, Can. Org. Hem., l-Kt. '.m. - Pal- ii'ocrlnuH Dtii- IIIUM. 45. Decade 4, p Trenton Gr. fltriatna, HiilingB, 1869, Can. Org. Rt'm., Decade 4, p. 25, Chazy Gr. sulcatm, iSafford Not defined. Pai-«ocy8TItks, Billings, Kent., Decade 4, Fio Piilnoorliiuii DliiKrarn. 1858, Can. Org. r)8. [Elv. palaiog, anc
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Or^. Rem., 24, Trenton BillingH, \m), Rem., Decade 4, p. 45, Trenton Gr. rhombiferuH, BilliiiKH, 18.')9, Can. Org. Hem., l-Kt. '.m. - Pal- ii'ocrlnuH Dtii- IIIUM. 45. Decade 4, p Trenton Gr. fltriatna, HiilingB, 1869, Can. Org. Rt'm., Decade 4, p. 25, Chazy Gr. sulcatm, iSafford Not defined. Pai-«ocy8TItks, Billings, Kent., Decade 4, Fio Piilnoorliiuii DliiKrarn. 1858, Can. Org. r)8. [Elv. palaiog, ancient; kiMtis, bladder.] Boily oval or pyriform; plates numerous and poriferous at the margins. Type P. tenuiradiatus. chapmani, Billings, 1858, Can. Org. Rem., Decade 3, n, 71, Chazy Gr. dawsoni, Billings, 1858, Can. Org. Rem., Decade 3, p. 70, 0^ â > Gr. pulcher, Billinac., ^;::,'. 'an. Nat. Geo., vol. 4, p. 4' n, Ch-i/y ( I. tenuiradiatiiB lie"!, 'Si. (Actinocrinus tenuiradii'tu-i ; r . /., vol. 1, p. 18, Chi^y Gr Parisocn-,.,u. \Ya'^'3m\l«⢠Springer, 1879, PrOy,. *v.,;,v.'. >;;U k'\. Phil., p. 115. [Ety. parms, resembling; krinon, lily.] A division of Poteriocrinus of less than generic value, with P. perplexua as the type, and including P. nereus. P. salignoidea, P. teniubrachiatus, ana Cyathocrinus intermedins. Pentacriniteg hamptoni, Emmons, 1842, Geo. Rep. N. Y., Trenton Gr. This ia merely the plate of a crinoid column. Pentagonites, proposed by Rafinesque for a crinoid column. Pbntrbhites, Say, 1820, Am. Jour. Sci., vol. 2, p. 36. [Ety. penle, five; remos, a board or plate.] Calyx globose, ovoid, or pyriform; base never distinjtljr tri- lobate, nor excavated in the middle line; section more or less triiingular; baaals 3, forming a small cup; radials or fork plates 1x5, long, forming the greater part of the calyx; limbs 'f lonK, with flat or concave sides and truncated above ; sinuH, subpetaloid ; deltoid plates 1 x 5, small ; ambulacra
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
