en Amalda cacao

Amalda cacao
	Shell of Amalda cacao (holotype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Ancillariidae
Genus:	Amalda
Species:	A. cacao
Binomial name
	Amalda cacao; Kantor, Castelin, Fedosov & Bouchet, 2020
Synonyms
	Amalda cf. hilgendorfi richeri Gratecap 2014

Amalda cacao is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae.^[1]

Description

The length of the shell attains 75 mm, its diameter 40 mm.

The shell is fusiform with turreted whorls and a small, broadly dome-shaped protoconch, with the diameter of the first whorl around 0.7 mm. Both the primary and secondary calluses are distinctly micro-shagreened. The border between the primary callus and the body whorl cloak is sharply defined by a thin, lighter line. The olivoid groove is very shallow and almost obsolete on most of the body whorl. The anterior band is divided by a prominent fasciolar ridge into an upper and slightly narrower lower band. The upper anterior band features a distinct ridge, triangular in cross-section.

The body whorl cloak is chestnut-colored on the apertural side and lighter on the dorsal side, with alternating axial lines in varying shades. The olivoid band and the adjacent narrow zone of the body whorl cloak are white, while the anterior band is chestnut brown. The plication plate is white with a faint yellowish spiral band. Both the primary and secondary calluses are dark chocolate brown, while the parietal pad is light with a bluish tint. The protoconch is white.^[2]

Distribution

This marine species occurs in the Coral Sea.

References

^ Amalda cacao Kilburn & Bouchet, 1988. Retrieved through: World Register of Marine Species on 28 April 2010.
^ Yuri I. Kantor, Magalie Castelin, Alexander Fedosov, Philippe Bouchet (2020), The Indo-Pacific Amalda (Neogastropoda, Olivoidea, Ancillariidae) revisited with molecular data, with special emphasis on New Caledonia; European Journal of Taxonomy, [S.l.], n. 706, aug. 2020. ISSN 2118-9773 This article incorporates text from this source, which is available under the CC BY-SA 4.0 license.

[WoRMS-1] Amalda cacao Kilburn & Bouchet, 1988. Retrieved through: World Register of Marine Species on 28 April 2010.

[2] Yuri I. Kantor, Magalie Castelin, Alexander Fedosov, Philippe Bouchet (2020), The Indo-Pacific Amalda (Neogastropoda, Olivoidea, Ancillariidae) revisited with molecular data, with special emphasis on New Caledonia; European Journal of Taxonomy, [S.l.], n. 706, aug. 2020. ISSN 2118-9773 This article incorporates text from this source, which is available under the CC BY-SA 4.0 license.

[1]

[2]