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aequa alabamensis angiporoides apertural system appressed axial-apertural Berggren Bermudez Blow and Banner Bolli BP Cat Bronnimann bullae Cainozoic Check List coiled coiling-mode compressa considered Core Cushman daubjergensis Dentoglobigerina dorsal intercameral sutures DSDP emended eobulloides Eocene ex interc figs figured on Plate Finlay frontosa genus Geol Globastica Globigerapsis Globigerina Globigerinacea Globorotalia Acarinina Globorotalia Morozovella Globorotalia Turborotalia Hantkenina holotype Hypotypes illustrated on Plate junior synonym kugleri last chamber last convolution later chambers lectotype Loeblich and Tappan mexicana Morozova morpho morphogenesis morphological morphotypes morphotypes referable mural-pores muricae muricocarina n.sp Oligocene ontogeny Palaeocene paratypes partim peripheral margin pore-pits porticus praecursoria primary aperture primary chambers pseudobulloides Pseudohastigerina radially referable to Zone rohri sample seen sensu lato specimen figured specimens illustrated specimens referable Stratigraphical Range Subbotina synonymy Systematics Tanzania taxa taxon taxonomic triangularis triloculinoides trochospire U.S. Nat umbilical umbilicus velascoensis wall whilst wilcoxensis writer Zone P.1
Page 1418 - Bolli, H., 1950. The direction of coiling in the evolution of some Globorotaliidae.
Page 1408 - ... Remark. (a) Supplementary sections. — If definition of a time-stratigraphic unit is inadequate, it may be redefined and revised by reference to supplementary sections. (See Article 34.) GEOLOGIC-TIME (GEOCHRONOLOGIC) UNITS NATURE OF GEOLOGIC-TIME UNITS Article 36. — Geologic-time units are divisions of time distinguished on the basis of the rock record, particularly as expressed by time-stratigraphic units.
Page 1410 - Concurrent-range Zone, Merycoidodon ("Oreodon") Range Zone. TIME-STRATIGRAPHIC (CHRONOSTRATIGRAPHIC) UNITS NATURE OF TIME-STRATIGRAPHIC UNITS Article 26. — A time-stratigraphic unit is a subdivision of rocks considered solely as the record of a specific interval of geologic time. Remarks. (a) Definition. — Time-stratigraphic units depend fundamentally for definition on actual sections or sequences of rock, and without these standards they are meaningless. They are material units. Each is the...