U.S. Geological Survey Professional Paper, Issue 142U.S. Government Printing Office, 1947 - Geology |
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Page 259
... sculpture of axially striate spiral Oval - oblong , solid , a little ventricose , closely cancellated by grooves ; aperture entire , elongate ; rounded anteriorly ; tinct in the spiral grooves . Spire short , conic . Whorls about 7 ...
... sculpture of axially striate spiral Oval - oblong , solid , a little ventricose , closely cancellated by grooves ; aperture entire , elongate ; rounded anteriorly ; tinct in the spiral grooves . Spire short , conic . Whorls about 7 ...
Page 260
... spirals are relatively wider and less uniform and by the initiation of the conchal sculpture . The in size and spacing ; and the entire aspect of the whorls of the conch are broadly rounded , very narrowly sculpture is much more subdued ...
... spirals are relatively wider and less uniform and by the initiation of the conchal sculpture . The in size and spacing ; and the entire aspect of the whorls of the conch are broadly rounded , very narrowly sculpture is much more subdued ...
Page 273
... spiral sculpture to the anterior portion of the shell . The young differ from the young of the Chipola form in the stronger and more even inflation , the more feeble and restricted spiral sculpture , the much smaller apical perforation ...
... spiral sculpture to the anterior portion of the shell . The young differ from the young of the Chipola form in the stronger and more even inflation , the more feeble and restricted spiral sculpture , the much smaller apical perforation ...
Page 275
... spiral sculpture of R. boyntoni , however , is not restricted but is developed over the entire conch with the exception of the early part of the first turn , and the parietal tooth is more prominent . R. chipolana , which resembles R ...
... spiral sculpture of R. boyntoni , however , is not restricted but is developed over the entire conch with the exception of the early part of the first turn , and the parietal tooth is more prominent . R. chipolana , which resembles R ...
Page 278
... sculpture vigorous ; spiral sculpture absent or developed only upon the base of the body . Both axial and spiral sculpture developed : Terebra ( Strioterebrum ) eskata Gardner , n . sp . Altitude approximately four times the diameter ...
... sculpture vigorous ; spiral sculpture absent or developed only upon the base of the body . Both axial and spiral sculpture developed : Terebra ( Strioterebrum ) eskata Gardner , n . sp . Altitude approximately four times the diameter ...
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Common terms and phrases
acute adult altitude angulated anteriorly Apertural view arcuate axial sculpture Baileys Ferry base body whorl Calhoun County canal cardinal Chipola formation Chipola River chipolana conch Conrad constricted costals Dall denticles Dimensions dorsal margin elevated fauna feebly FIGURE flattened front Gardner genus grooves height hinge holotype incremental Inner margin labrum later whorls latitude left valve less Liberty County ligament lirae lirate lunule Maury maximum diameter mile below Baileys millimeters Miocene moderately narrow Oak Grove Oak Grove sand obliquely obscure obtuse Occurrence Okaloosa County Outer lip outline pallial line paratype penult periphery pillar Plate posterior fasciole posterior margin posteriorly prominent protoconch radial ribs right valve sharply Shell Bluff Shell small Shoal River formation sinus slender slightly smooth specimens spiral sculpture spire striated subsp suture Trans Type locality U. S. Nat umbones valve cotype varix view of holotype volutions Wagner Free Inst Walton County