Conorbis alatoideus
(Aldrich, 1885)
Shell fusiform,
whorls ten, slightly convex; suture shouldered, distinct; shell intended below the
suture with close set longitudinal lines showing on this part; below, a number of
raised lines; apex sharp; body whorl with a large number of close set raised lines
on the lower part, a few finer ones alternating; aperture narrow;
raised lines stop at the columellar lip, which is slightly sinuous, reflected
at the base, thickened above, outer lip large , almost semicircular, which a notch
on upper part. Length, one inch (1).
Locality: Moody’s Branch – Jackson – Mississippi
This shell at sight would be taken for a Pleurotoma. It so nearly
resemble Conus alatus Edwards
from the English Eocene that it may be found on direct comparison to be the
same species (1).
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Conorbis alatoideus
(Aldrich 1885) Plate 2 fig. 11 Moody’s Branch – Jackson – Mississippi (4974) |
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Conus (Conorbis) alatoideus
Aldrich, 1885a, p. 149, p. 2, fig. 11; Aldrich, 1886, p. 32, pi. 2, fig. 11;
Tomlin, 1937, p. 209
Conorbis
alatoideus Aldrich, Cossmann, 1893, p. 42; Cossmann, 1896b, p.
150; Veatch, 1906, pl. 20, fig. 3 copy Aldrich; Harris and Palmer, 1947, p.
443, pi. 6l, fig. 18 copy Aldrich, figs. 19-25; Brann and Kent, 1960, p. 242;
Gilbert, 1960b, p. 47
Range.—Upper
Eocene. Moodys Branch fm. (type), upper Jackson gr.
Localities.—MISS.:
Hinds Co., Moodys Branch, Jackson (type); Town Creek, Jackson. LA.: Caldwell
Par., Gibson Ldg., Ouachita R.; Bunker Hill Ldg., Ouachita R.
Type. Holotype,
No. 638716
Bibliografia Consultata
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(1) - Aldrich (1885) “Notes
on the Tertiary of Alabama and Mississippi, with description of new species”
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(2) - HARRIS, G. D. et PALMER, K. VAN WINKLE, 1946-1947, p.
443, pl. LXI, fig. 18-25. Jacksonien . — Montgomery (Louisiane, U.S.A.).
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(3)
- CATALOGUE OF THE PALEOCENE AND EOCENE MOLLUSCA OF THE SOUTHERN AND EASTERN
UNITED STATES PART II. GASTROPODA
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