. Annales de la Société royale malacologique de Belgique. Mollusks; Zoology. VI SOCIÉTÉ ROYALE MALACOLOGIQUE DE BELGIQUE Genre Perideriopsis. Testa Perideribus primo visu simillima, sed ab illis ex apertura intus incrassata et perforatione discrepans. — Typus : Perideriopsis umbilicata. Perideriopsis umbilicata. Testa perforata, conico turrita, solidula, nitidula, striatula, lineis spiralibus discretis irregulariter et subtilissime sœpius deeussata. Spira elongata, conica, apice obtuso; sutura impressa, tenuiter rugu- losa; anfractibus 7-8 convexiusculis, supremis albis seu roseis, sequentibus
. Annales de la Société royale malacologique de Belgique. Mollusks; Zoology. VI SOCIÉTÉ ROYALE MALACOLOGIQUE DE BELGIQUE Genre Perideriopsis. Testa Perideribus primo visu simillima, sed ab illis ex apertura intus incrassata et perforatione discrepans. — Typus : Perideriopsis umbilicata. Perideriopsis umbilicata. Testa perforata, conico turrita, solidula, nitidula, striatula, lineis spiralibus discretis irregulariter et subtilissime sœpius deeussata. Spira elongata, conica, apice obtuso; sutura impressa, tenuiter rugu- losa; anfractibus 7-8 convexiusculis, supremis albis seu roseis, sequentibus leviter flavescentibus, strigis aut flammulis fulvis seu castaneis irregulariter orna- Us, ultimo subangulato, basiluieo vel castaneo picto, infra angulum albo fasciato. Apertura trapezoidalis, subcanaliculata ; labro acuto, basi perspicue reftexo, intus incrassato; columella callosa, recta, verticali, alba seu violascente; marginibus callo tenuissime junctis, columellari super perforationem reflexa. Longitud. testas, 40-45 mil!,; diam. testge, 15-18 mill.; longitud. aperturge, 15-18 mill. Localité : Bena Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Société royale malacologique de Belgique. [S. l. : s. n. ]
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Keywords: ., bookcentury1800, bookpub, booksubjectmollusks, booksubjectzoology
