U.S. Geological Survey Professional Paper, Issue 142U.S. Government Printing Office, 1947 - Geology |
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Page 5
... subsp .... proteracuta leita Gardner , n . subsp . proteracuta diame- sa Gardner , n . subsp ... leptalea Gardner , n . sp .. canonica Dall . canonica meiopyk- na Gardner , n . subsp . diphya Gardner , n . sp .. Yoldia frater Dall ...
... subsp .... proteracuta leita Gardner , n . subsp . proteracuta diame- sa Gardner , n . subsp ... leptalea Gardner , n . sp .. canonica Dall . canonica meiopyk- na Gardner , n . subsp . diphya Gardner , n . sp .. Yoldia frater Dall ...
Page 7
... subsp . sinaria Dall . defuniak Gardner , n . sp . Leda basilissa Gardner , n . sp . proteracuta leita Gard- ner , n . subsp ............ .. polychoa Gardner , n . sp . polychoa defuniak Gard- ner , n . subsp .. leiorhyncha Gardner ...
... subsp . sinaria Dall . defuniak Gardner , n . sp . Leda basilissa Gardner , n . sp . proteracuta leita Gard- ner , n . subsp ............ .. polychoa Gardner , n . sp . polychoa defuniak Gard- ner , n . subsp .. leiorhyncha Gardner ...
Page 8
... subsp . Shell heavy : Escutcheon aepressed , not radially striated : Umbones low____ Nucula sinaria Dall . Umbones moderately tumid and elevated . Nucula dasa Gardner , n . sp . Escutcheon not depressed , radially striate . Nucula ...
... subsp . Shell heavy : Escutcheon aepressed , not radially striated : Umbones low____ Nucula sinaria Dall . Umbones moderately tumid and elevated . Nucula dasa Gardner , n . sp . Escutcheon not depressed , radially striate . Nucula ...
Page 11
... subsp . Concentric sculpture obsolete except near the tips of the umbones and the ventral margin . Leda proteracuta leita Gardner , n . subsp . From 25 to 30 concentric ridges , as a rule , in many specimens irregularly spaced . Leda ...
... subsp . Concentric sculpture obsolete except near the tips of the umbones and the ventral margin . Leda proteracuta leita Gardner , n . subsp . From 25 to 30 concentric ridges , as a rule , in many specimens irregularly spaced . Leda ...
Page 14
... subsp . Plate III , Figure 5 Shell similar in general aspect to Leda proteracuta , s . s . , rather small and thin , moderately inflated . Anterior portion of shell broadly rounded or obscurely truncate at the lateral extremity , the ...
... subsp . Plate III , Figure 5 Shell similar in general aspect to Leda proteracuta , s . s . , rather small and thin , moderately inflated . Anterior portion of shell broadly rounded or obscurely truncate at the lateral extremity , the ...
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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 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 Yellow River