U.S. Geological Survey Professional Paper, Issue 142U.S. Government Printing Office, 1947 - Geology |
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Page 260
... whorls of the spire and three forms are very rare , and all that have been found are times as many upon the body . There is just a sug- more or less imperfect . Occurrence : Chipola formation , localities 2213o , ? 2564 ° , 3419 °C ...
... whorls of the spire and three forms are very rare , and all that have been found are times as many upon the body . There is just a sug- more or less imperfect . Occurrence : Chipola formation , localities 2213o , ? 2564 ° , 3419 °C ...
Page 262
... Body whorl crenulated at the shoulder___ Columellar fold sulcated ; shoulder of body whorl arched over the spire . Acteocina sphalera Gardner , n . sp . Plate XXXVII , figure 12 Shell uncommonly large and solid for the genus , sub ...
... Body whorl crenulated at the shoulder___ Columellar fold sulcated ; shoulder of body whorl arched over the spire . Acteocina sphalera Gardner , n . sp . Plate XXXVII , figure 12 Shell uncommonly large and solid for the genus , sub ...
Page 271
... Body whorl sharply con- corum Siciliae ( Halis Saxonum ) , p . 95. Body whorl approximately uniform in diameter from apex to base : External surface polished ; sculpture restricted to a few linear grooves on the anterior portion of the ...
... Body whorl sharply con- corum Siciliae ( Halis Saxonum ) , p . 95. Body whorl approximately uniform in diameter from apex to base : External surface polished ; sculpture restricted to a few linear grooves on the anterior portion of the ...
Page 283
... Whorls numerous , probably 11 or 12 in including apparently 4 complete volutions . Whorls of the perfect adult , regularly increasing in diameter ; conch flattened laterally , coverging with approximate body whorl abruptly constricted ...
... Whorls numerous , probably 11 or 12 in including apparently 4 complete volutions . Whorls of the perfect adult , regularly increasing in diameter ; conch flattened laterally , coverging with approximate body whorl abruptly constricted ...
Page 285
... Body whorl smoothly but rather abruptly rounded at the base . Axial sculpture dominating the spiral ; costals 16 in the type , rather broad at the base , sharply rounded upon the summit and little or not at all affected by the spirals ...
... Body whorl smoothly but rather abruptly rounded at the base . Axial sculpture dominating the spiral ; costals 16 in the type , rather broad at the base , sharply rounded upon the summit and little or not at all affected by the spirals ...
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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