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Species / Persististrombus Insulanus


Original Description of Strombus (Lentigo) insulanus by Jung & Heitz, 2001:

  • "Shell reaching a height of about 55 mm, slender. Protoconch and earliest teleoconch whorls not known. Number of preserved teleoconch whorls eight. Sculpture of early teleoconch whorls consists of three varix like axial ribs and two smaller axial ribs in each interspace. These are crossed by six to eight spiral threads. On successive whorls secondary spiral threads appear. On later whorls the spiral threads become subequal in strength, and, at the same time, the axial ribs change their shape into subequal knobs situated on a gradually developing shoulder. There are nine moderately pointed knobs on the last whorl. Dorsal surface of body whorl not preserved, but left side of body whorl clearly shows three spiral rows of small knobs, which - as well as their interspaces - are sculptured by spiral threads. Outer lip not preserved with the exception of its adapical part. Parietal callus smooth. Inner surface of preserved part of outer lip smooth. Base of columella bent backward."

Locus typicus: near the middle of the north coast of Escudo de Veraguas, Bocas del Toro, Panama, Caribbean

Stratum typicum: Escudo de Veraguas Formation, middle Pliocene.

Etymology: insulanus (latin) = inhabitant of an island

  1. Persististrombus insulanus Jung & Heitz, 2001; Holotype; Escudo de Veraguas Formation, Piacenzian, middle Pliocene; Escudo de Veraguas, Bocas del Toro, Panama, Caribbean; 53 mm; Coll. Naturhistorisches Museum Basel no. H17842
  2. Persististrombus cf. insulanus Jung & Heitz, 2001; Grand Bay Formation, early middle Miocene; 150m NW of Point Saint Hilaire, Carriacou, Grenadines, Lesser Antilles; 42 mm; Coll. Naturhistorisches Museum Basel no. H17846


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