KSIĄŻKI POWIĄZANE ZE SŁOWEM «NEANIC»
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neanic w następujących pozycjach bibliograficznych Książki powiązane ze słowem
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1
Geological Survey Professional Paper
Kollmann (1967) noted the same character for T. (Trochactaeon). In contrast,
Actaeonella undergoes a two-stage change in shell geometry, first, a change in
coiling direction between larval and neanic stages (postprotoconch) and second,
...
Geological Survey (U.S.),
1985
2
U.S. Geological Survey professional paper
13) referred to as nepionic, neanic, and ephebic-gerontic. The narrow rod-
shaped nepionic rostrum is circular in cross section and without visible structure (
fig. 2, c) . The neanic stage is characterized by sharply differentiated light and
dark ...
Geological Survey (U.S.),
1966
3
The Lower Cretaceous Gryphaeas of the Texas Region
The neanic. — This stage is introduced usually by the lines of growth becoming
very distinct, the surface rough, and the postero-dorsal sinus more distinctly
marked. In some specimens, in a stage which seems to correspond to the neanic,
...
Robert Thomas Hill, Thomas Wayland Vaughan,
1898
4
Upper Devonian Corals of the Mackenzie River Region Canada
R.31078 B.M. (2a, 2b) Transverse sections, X 1.5, of early neanic (2a) and late
neanic (2b) stages of a calcareous specimen. Section R.30321 from No. R.30319
B.M. Middle Devonian (Columbus limestone), Ohio. (3) Transverse section, X 1.5,
...
5
Abstracts of papers submitted for six meetings with which ...
Value of Neanic Ontogenetic Development in Taxonomy of the Turritellidae (
Gastropoda) with Reference to a New Stock from the Eocene of Washington
ALLISON, RICHARD C., Dept. Paleontology, University of Califitrnia, Berkeley,
Calif.
6
The cainozoic Globigerinida. Atlas
occurs only from the embryonic to the neanic stage of ontogeny and usually
occurs following about the second or third chamber from the proloculus. Banner
and Blow assumed (incorrectly) that the dehiscens group carried forward the ...
7
Fossil Conchostraca of the Southern Hemisphere and ...
7) Diagnosis: Subovate valve with the umbo of the neanic portion of the valve
elevated above the dorsal margin and distinctly separated from the adult portion
of the valve; umbo subterminal; two distinct sets of growth bands; neanic valve
with ...
8
Proceedings of the American Philosophical Society Held at ...
The section is a much compressed oval, the ventro dorsal diameter much longer
than the transverse, the abdomen narrowly rounded and dorsum broader, but
also gibbous. The neanic stage has a more rounded outline in section. The shell
is ...
9
Genus Pentremites and its Species
Note enlargement of pelvic angle and lengthening of vault during ontogeny. (See
Pl. 1, figs. 11—13, for enlarged drawings of first, third, and eighth specimens from
left.) Specimens 1—5 are nepionic; 6—11 are neanic; 12—19 are ephebic.
10
Devonian Ammonoids of America
Beginning with the neanic stage, the ornamentation of the conch difiers from that
of M. sinuosum. Clarke (1899, p. 65—66) says: “The varices which, in the latter,
are strong, distant and simple at the beginning, are here lower and closely ...