Conus hassani (Abbass, 1977)
description of HOLOTYPE (G590): Shell small, biconical; spire low, wide, conical, consists
of four whorls; whorl outline with anterior convexity; suture linear, superficial;
surface almost smooth except for growth lines; body whorl constitutes greater part
of shell, showing posterior concave shoulder with rounded edge below which whorl
becomes more convex, then contracted into long concave beak; whorl shows growth
threads posteriorly, crossed by fourteen or more spiral cords increasing in width
posteriorly with narrower interspaces covering whorl anterior third; aperture long,
high, narrow; outer lip shows posterior concavity on shoulder, followed by anterior
protrusion then becomes straight and curved around anterior part; inner lip smooth.
dimensions: SH 18 mm, LWH 15 mm, LWW 11 mm, SpA 95°.
ge, formation and locality : Helvetian, Upper Sadat Member, Ramlyia.
discussion: Phasmaconus
martini nom. nov. Shuto (1969, PI. 22, Figs 7, 10) differs from
the present species as it has a higher, less inflated shell with a
proportionately lower spire.
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Conus
(Parviconus) hassani (Abbass, 1977) Plate IX fig. 9 18 mm. - Helvetian |
Bibliografia Consultata
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(1)
– Houssein Abbass (1977) “A Monograph on the new Miocene Gastropod species in
the Cairo-Suez district, Egypt“, J. Univ. Kwait Sci,4