Conus boggsi
(Olsson, 1964)
The
shell is a broad short cone of small or medium size, with a low to nearly flat
spire, the apical section elevated and moderately steep sided. Spire whorls
(number about eight) have a concave, fasciolar surface between the sutures and
are marked with four, spiral cords, either weak or strong. The shoulder of the
whorl is slightly angled, plain, none of the spire whorls seem to have been
beaded at any stage of growth. The body whorl is large, widest at the shoulder
or just below it, smooth in the upper portion but from the middle zone down is
covered with spiral threads in primary and secondary strength, the primaries
are spaced rather widely apart, the spirals stronger below. The outer lip is
straight except at the shoulder where it curves inward. The columellar pillar
is short, stubby, with a slight twist or fold.
Length 36.5 mm., diameter 20.1 mm.
Holotype, USNM 643931.
Angostura formation: Cueva de Angostura, Rio Santiago.
Similar
in shape and sculpture to C. haitensis Sowerby of the Miocene of the Dominican
Republic but smaller. The height of the spire shows variation, in some
specimens, it is almost flat but with the apex projecting a little above the
general surface.
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Conus boggsi (1) Holotype USNM 643961 mm. 36,5 x 20,1 Cueva de Angostura, Rio Santiago |
Conus boggsi (1) Paratype USNM mm. 30,0 x 16,4 Cueva de Angostura, Rio Santiago |
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Conus cf. boggsi Angostura fm., Cueva de Angostura Rio Santiago, Ecuador |
Conus cf.
boggsi Angostura fm., Cueva de Angostura Rio Santiago, Ecuador |
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Conus cf.
boggsi Angostura fm., Cueva de Angostura Rio Santiago, Ecuador |
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Bibliografia Consultata
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(1) - Olsson, A. A.,
1964. Neogene Mollusks from
Northwestern Ecuador
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