Pseudomalaxis zanclaeus ( Philippi, 1844 )

Negri, Mauro Pietro & Corselli, Cesare, 2016, Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy), Zootaxa 4186 (1), pp. 1-97 : 71

publication ID

https://doi.org/ 10.11646/zootaxa.4186.1.1

publication LSID

lsid:zoobank.org:pub:029B675F-776C-4CD6-9992-FA05AEADFA7B

DOI

https://doi.org/10.5281/zenodo.6082298

persistent identifier

https://treatment.plazi.org/id/03C587A5-FF82-F933-FF3B-FBF26551F83A

treatment provided by

Plazi

scientific name

Pseudomalaxis zanclaeus ( Philippi, 1844 )
status

 

Pseudomalaxis zanclaeus ( Philippi, 1844) View in CoL

Fig. 16 View FIGURE 16. a – c g–h

Bifrontia zanclaea Philippi, 1844 (p. 225, pl. 28, fig. 11).

Homalaxis nobilis Verrill, 1885 (p. 423, pl. 44, fig, 12).

Homalaxis zanclaeus Philippi—Jeffreys 1885 (p. 39).

Pseudomalaxis zanclaea (Philippi) View in CoL — Monterosato 1913 (p. 362); Nordsieck 1968 (p. 64, pl. 10, fig. 37.20).

Pseudomalaxis actoni Monterosato 1913 View in CoL (p. 362, upper fig. in p. 363).

Omalaxis zanclaeus — Hidalgo 1917 (p. 521).

Pseudomalaxis zanclaea ( Philippi, 1844) View in CoL — Nordsieck 1972 (p. 147, pl. R XIV, fig. 7).

Pseudomalaxis zanclaeus ( Philippi, 1844) View in CoL —Melone & Taviani 1984 (p. 181, figs. 53–59, 61).

Pseudomalaxis zancleus Philippi, 1844 View in CoL — Rindone 1986 (p. 299, fig. 1).

Pseudomalaxis zanclea ( Philippi, 1844) — Barash & Danin 1992 (p. 68, fig. 64).

Pseudomalaxis zanclaeus meridionalis (Hedley, 1903) View in CoL — Bieler 1993 (p. 315, figs. 262–265).

Pseudomalaxis zancleus ( Philippi, 1844) View in CoL — Repetto et al. 2005 (p. 225, bottom right fig.); De Frias Martins et al. 2009 (p. 65, fig. 255).

Diagnostic characters. Nearly planispiral shell; orthocline quadrangular aperture; 4 spiral keels running along the angulations of the quadrangular whorls; stronger spiral duplicate and marking the periphery; weak spiral threads between the peripheral and the basal keel; fine sinuous axials; small nodes at the intersections of axials and spirals. Protoconch: not available (apical area worn); apparently smooth, of 2 whorls.

Remarks. Pseudomalaxis actoni Monterosato, 1913 and the Caribbean P. nobilis ( Verrill, 1885) are regarded as synonyms of P. zanclaeus (Melone & Taviani 1984; WoRMS 2016).

Occurrence. Box-corer sample BC72 (1 specimen). Diameter: 17 mm.

Distribution and habitat. Pseudomalaxis zanclaeus is widely distributed on both sides of the Atlantic and in the Mediterranean (typical form), as well as in the Indopacific area (subspecies meridionalis); it usually dwells on muddy bottoms (sometimes on sand and gravel) from circalittoral to bathyal depths, often in association with corals ( Monterosato 1913; Melone & Taviani 1984; Bieler 1993).

Fossil record. Pliocene of central and southern Italy; Pleistocene of southern Italy (Melone & Taviani 1984; Di Geronimo & La Perna 1997; Di Geronimo et al. 2005).

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Littorinimorpha

Family

Architectonicidae

Genus

Pseudomalaxis

Loc

Pseudomalaxis zanclaeus ( Philippi, 1844 )

Negri, Mauro Pietro & Corselli, Cesare 2016
2016
Loc

Pseudomalaxis actoni

Monterosato 1913
1913
Loc

Pseudomalaxis zanclaeus meridionalis

Hedley 1903
1903
Loc

Homalaxis nobilis

Verrill 1885
1885
Loc

Homalaxis zanclaeus Philippi—Jeffreys 1885

Philippi-Jeffreys 1885
1885
Loc

Bifrontia zanclaea

Philippi 1844
1844
Loc

Pseudomalaxis zanclaea (

Philippi 1844
1844
Loc

Pseudomalaxis zanclaeus (

Philippi 1844
1844
Loc

Pseudomalaxis zancleus

Philippi 1844
1844
Loc

Pseudomalaxis zanclea (

Philippi 1844
1844
Loc

Pseudomalaxis zancleus (

Philippi 1844
1844
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