Conus (Conilithes) sp. (Psarras, Merle & Koskeridou, 2021)
Stratigraphicrange. — Tortonian of Greece (Ierapetra Basin,
Crete) (1).
Shell description (1)
Small-sized, conical shell. Protoconch
multispiral (Fig. 7 A7). Early spire
whorls high, conical, beaded on carina, straight, with a coeloconoid outline
(coeloconoid: approaching conical shape but with concave sides). Late spire
whorls scalate, straight to convex, with a slightly coeloconoid outline. Carina
beaded on the 5-6 early teleoconch whorls only (Fig. 7 A) (1).
Maximum diameter at angulated shoulder. Suture channelled. Subsutural
flexure shallow, moderately curved, strongly asymmetrical (Fig. 7 A3).
Aperture narrow, straight. Last spire whorl straight, conical, narrow. Spiral
grooves on the anterior part of last whorl. Fasciole indistinct (1).
Description of colour pattern (1)
Colour pattern consists of thick flammulae on spire whorls. Colour
pattern on last whorl consists of fluorescent blotches and closely related,
bright fluorescent spiral lines-dashes, that are separated by non-fluorescent
elongated dots and non-fluorescent axial blotches (Fig. 8) (1).
Remarks (1)
A species differing from Conilithes brezinae and
Conilithes herodus n. sp. herein, in the strongly beaded early spire
whorls (five or six) and the lower relative height of the spire (RSH).
Also, the shallow subsutural flexure diverges from the other species of Conilithes,
but this species cannot be included in the genus Conasprella Thiele,
1929 (type species by subsequent designation (Tucker & Tenorio 2009): Conus
pagoda (Kiener, 1847), as the last whorl of the shell lacks any sulci
(Harzhauser & Landau 2016) (1).
It differs from Conilithes allioni (Michelotti,
1847) and Conilithes sceptophorus (Boettger, 1887) in the longer last
whorl (1).
It differs from Conilithes antidiluvianus (Bruguière,
1792) in the less pronounced shoulder and less elevated spire whorls (1).
As we have only one specimen, we refrain from
naming it (1).
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Fig. 7. — Conilithes sp.
(1)
from the Tortonian of Crete
(Greece), MNHN.F.A72593, Makrilia
in apertural (A1, A5),
abapertural (A2, A6) and apical (A4) views,
under natural (A1-A4,
A7) and UV light;
A3, detail of the subsutural flexure (white line);
A7, detail of the protoconch.
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Bibliografia Consultata