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Species / Struthiochenopus Hurleyi

Struthiochenopus Hurleyi

Stromboidea


Original Description of Struthiochenopus hurleyi by, Stilwell, Zinsmeister & Oleinik, 2004:

  • ”Shell medium-sized with moderately low spire consisting of 7 to 8 convex whorls, spire angle 45° to 47°; protoconch of 2.5 smooth whorls with faint keel; keel strengthens rapidly becoming sharp on later whorls eventually merging with posterior digitation, second less pronounced more abapically keel developed on body whorl, merges with anterior digitation; 20 to 24 weak rounded nodes present on primary keel becoming obsolete on body whorl; shoulder posterior to primary keel flat merging with slightly impressed suture; medial portion of whorl between keels flat to concave; body whorl anterior to secondary keel drawn out into narrow siphon; surface covered with faint narrow spiral threads; aperture elongated, pyriform with moderately long and straight canal; outer lip expanded into broad moderately thick wing, inclined at about 50° or more to shell axis; moderately broad shallow sinus along posterior margin of wing; primary keel merges with long curved posterior digitation; posterior digitation frequently dorsally curved; anterior digitation blunt, interiorly oriented; posterior margin of wing between posterior digitation and suture thickened; medial apertural surface of wing digitation thickened; inner lip of aperture covered with moderate callus.”

Locus typicus: Seymour Island, James Ross Island group, Antarctic Peninsula, Antarctica

Stratum typicum: Danian, Paleocene

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