Cystiscinae Explained
Cystiscinae are a taxonomic subfamily of minute sea snails. These are marine gastropod mollusks or micromollusks in the family Cystiscidae, and the clade Neogastropoda.
Diagnosis
Shell minute to small, white; spire immersed to low; surface smooth or axially costate; lip thickened, smooth or denticulate; external varix absent; siphonal notch absent; posterior notch absent; columella multiplicate, with combined total of usually 2 to 8 plications plus parietal lirae; internal whorls cystiscid type. Animal mantle smooth, at least partially extending over external shell surface. Internal anatomy unknown.
Genera
Genera within the subfamily Cystiscinae are as follows:
- Crithe Gould, 1860
- Cystiscus Stimpson, 1865:55
- Extra Jousseaume, 1894 - with the only species Extra extra Jousseaume, 1894[1]
- Gibberula Swainson, 1840
- Inbiocystiscus Ortea and Espinosa, 2001[2]
- Intelcystiscus Ortea and Espinosa, 2001[2]
- †Marginocystiscus Landau, C. M. Silva & Heitz, 2016[3]
- Pachybathron Gaskoin, 1853
- Persicula Schumacher, 1817
- Ticocystiscus Espinosa and Ortea, 2002
- Ticofurcilla Espinosa & Ortea, 2002
- †Topaginella Laseron, 1957:288
References
- 2002. Nuevas especies de margineliformes de Cuba, Bahamas y el Mar Caribe de Costa Rica Avicennia 15:101-128.
- 2001. Intelcystiscus e Inbiocystiscus (Mollusca: Neogastrópoda: Cystiscidae) dos nuevos géneros del Atlántico occidental tropical. Avicennia 14 107-114.
Notes and References
- Jousseaume . F.P. . Diagnoses des coquilles de nouveaux mollusques . Bulletin de la Société Philomathique de Paris . 1894 . 8 . 6 . 98–105 . 4 July 2020.
- Ortea . J. . Espinosa . J. . Intelcystiscus e Inbiocystiscus (Mollusca: Neogastrópoda: Cystiscidae) dos nuevos géneros del Atlántico occidental tropical . Avicennia . 2001 . 14 . 107–114.
- Landau . Bernard Manue . Marques da Silva . Carlos . Heitz . Antoine . Systematics of the lower-middle Miocene Cantaure Formation, Paraguaná Peninsula, Venezuela . Bulletins of American Paleontology . 2016 . 389-391 . 1–581.