Pristigloma minima Seguenza 1877

Autor: Negri, Mauro Pietro, Corselli, Cesare
Rok vydání: 2016
Předmět:
DOI: 10.5281/zenodo.6082130
Popis: Pristigloma minima (Seguenza, 1877) Fig. 2 l���n Yoldia minima Seguenza, 1877 (p. 1178, pl. 5, fig. 17). Leda minima Seguenza���Jeffreys 1879 (p. 581). Pristigloma (?) minima (Seguenza, 1873/77)��� Nordsieck 1969 (p. 6, pl. 1, fig. 01.14). Yoldia minima Seguenza���Di Geronimo & Li Gioi 1980 (pl. 2, figs. 1���2). ��� Yoldia ��� minima (Seguenza, 1877) ���Di Geronimo & La Perna 1997 (p. 412, pl. 7, figs. 1���2, 10���12). ��� Yoldia ��� minima Seguenza, 1877 ��� La Perna 2003 (p. 24, pl. 3, figs. 14���15). Pristigloma minima (Seguenza G., 1877) ��� Repetto et al. 2005 (p. 282, bottom right fig). Yoldia minima Seguenza G., 1877 ��� Beck et al. 2006 (p. 94, mid fig.). Diagnostic characters. Oval outline; markedly opisthogyrous beaks; gently arched anterior hinge; outer surface with uneven growth markings. Prodissoconch: shell type ST-1A; P-1: length about 140 ��m; inequilateral (anterior side longer), ellipsoidal outline; convex profile; surface with irregular to commarginal wrinkles; transition to the nepioconch weakly marked. Remarks. WoRMS (2016) considers the family name Pristiglomidae as a synonym of Sareptidae Stoliczka, 1870. Although no live specimens were recovered, the freshness of the shells at hand (preservation code 4 sensu Basso & Corselli (2007) i.e., with traces of ligament) suggests the occurrence of this species among the Recent Mediterranean molluskan fauna���a hitherto debated question (La Perna 2003). Occurrence. Box-corer samples BC66 (1 specimen), BC67 (3), BC72 (4); cores BC04 (2), BC67 (7), BC72 (9). Maximum length: 2 mm. Distribution and habitat. Pristigloma minima is a northern Atlantic to Mediterranean species, found in the 20���2664 m depth interval���including seamounts���but more typical of bathyal deeper horizons (Nordsieck 1969; Di Geronimo & La Perna 1997; Di Geronimo et al. 2005; Beck et al. 2006). Fossil record. Common taxon in Pliocene and Pleistocene bathyal deposits of Italy (Seguenza 1877; Di Geronimo & Li Gioi 1980; Di Geronimo & Bellagamba 1985; Di Geronimo & La Perna 1997; La Perna 2003; Di Geronimo et al. 2005).
Published as part of Negri, Mauro Pietro & Corselli, Cesare, 2016, Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy), pp. 1-97 in Zootaxa 4186 (1) on pages 15-16, DOI: 10.11646/zootaxa.4186.1.1, http://zenodo.org/record/165288
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