Citations:tarphycone

English citations of tarphycone

• 1933, Arthur K. Miller, Carl Owen Dunbar, George Evert Condra, The Nautiloid Cephalopods of the Pennsylvanian System in the Mid-continent Region:

  Tarphyceracone. — A mature coiled nautiloid conch in which the volutions are in contact but are not deeply involute, that is, they are not deeply impressed dorsally by the ventral portion of the preceding whorl. Tarphycone. — A mature or immature coiled nautiloid conch in which the volutions are in contact but are not deeply involute, that is, they are not deeply impressed dorsally by the ventral portion of the preceding whorl.

• 1954, Bulletins of American Paleontology:

  The holotye is one-half of the phragmocone of a well-preserved discoidal tarphycone with a diameter of 49.5 It consists of three and a half whorls, all of which are impressed dorsally and in contact with the preceding whorl.

• 1977, New Mexico. Bureau of Mines and Mineral Resources, Memoir - New Mexico Bureau of Mines & Mineral Resources:

  ... mm apically to 8 mm internal mold of a tarphycone with maximum diameter orad . The siphuncle is small , circular , and slightly of 36 mm . Little more than half of the outer whorl eccentric . A vertical thin section ( Pl . 8 , fig .

• 1997, Bulletin:

  254 tarphycone , tarphyceracone ( adjectives = tarphyconic , tarphyceraconic ) Mature , very evolute , coiled conch having many whorls and little overlap of whorls . test External shell material , regardless of form or shape […]

• 1980, R.E. Crick, Integration of paleobiogeography and paleogeography: evidence from Arenigian nautiloid biogeography, Journal of Paleontology:

  […] longicones and some depressed orthoconic longicones were more common to the neritic environment than to the oceanic environment while orthoconic longicones and tarphycones […]