Revealing hidden diversity and cryptic speciation in Antarctic marine gastropods (Heterobranchia: Cephalaspidea) Author Peralta-Serrano, Marc Author Schrödl, Michael Author Wilson, Nerida G. Author Moles, Juan text Antarctic Science 2025 Cambridge, England 2025-04-11 37 3 154 166 https://doi.org/10.1017/s0954102024000385 journal article 311349 10.1017/S0954102024000385 234da9a8-d5d2-4bf0-8087-a8ea0780f7c7 1365-2079 15817014

Table II. Summary of most useful characters for diagnosis of all species of Antarctophiline based on the previous literature and our data.

		Posterior edge of
Species	Shell outline	outer lip	Shell sculpture	Gizzard plates	Radula	Penis	Prostate	Distribution	Depth (m)
Antarctophiline	Ovate-	Obtuse,	Growth lines only	3 dark	15 × 2.1.0.1.2	Short, rounded	Short,unilobed +	Transition	2892.8–4547.6
abyssalis sp. nov.	subrectangular	protruding,		brown-amber,			smaller seminal	Weddell Sea to
		coiled		elongated,			vesicle	south of South
				internal surface				Sandwich
				very convex				Islands
Antarctophiline	Ovate-	Right angle,	Growth lines,	3 brown-amber,	11–13 × 2.1.1.1.2	Short,	Short,unilobed	Adélie Island,	4–460
alata	subquadrate	sometimes	very fine spiral	oval,convex		rounded/conical		Antarctic
		slightly	striations					Peninsula,
		protruding						Bouvet Island,
								Davis Sea,Peter I
								Island, South
								Shetland Islands,
								South Orkney
								Islands,South
								Sandwich
								Islands,? eastern
								Weddell Sea
Antarctophiline	Ovate-	Obtuse,not	Growth lines,	3 brown-green,	12 × 2.1.1.1.2	Short, squared	Short,? unilobed	Eastern Weddell	736–910
amundseni	subquadrate	protruding	very fine spiral	rhomboidal,				Sea
			striations	highly convex
Antarctophiline	Elliptical,large	Rounded,slightly	Growth lines only	-	-	-	-	Cape Adare,Ross	18–205
apertissima	aperture	protruding						Sea
Antarctophiline	Ovate-	Obtuse,not	Growth lines,	3 brown-green,	12–13 × 2.1.1.1.2	Short, conical	Short,? unilobed	Eastern Weddell	173–463
easmithi	subquadrate	protruding	very fine spiral	oval,highly				Sea
			striations	convex
Antarctophiline	Ovate-	Right angle,not	Axial fine	3 minute,	2.1.1.1.2	Conical	Short,? bilobed	Falkland Islands,	12–219
falklandica	rhomboidal	protruding	striations	calcareous or				Ross Sea
			minutely	chitinous
Antarctophiline	Ovate-	Obtuse,	Growth lines,	3 brown-amber,	12–13 × 2.1.1.1.2	Short,conical	Short,unilobed +	? Argentinian	4–329
gibba	subquadrate,	protruding	very fine spiral	oval,convex			short seminal	Sea,South
	humped		striations				vesicle	Orkney Islands,
	adaperturally							South Georgia
								Island, King
								George Island,
								Ross Sea
Antarctophiline	Ovate-	Obtuse,	Growth lines only	3 brown-amber,	12 × 2.1.0.1.2.	Short,	Short,unilobed +	Bransfield Strait	150–247
malaquiasi sp.	subquadrate	protruding		oval,		rounded/conical	short seminal
nov.				symmetrical,			vesicle
				slightly convex on
				one side