Pleurotomella demosia ( Dautzenberg & Fischer, 1896 )

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 : 69

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.6082290

persistent identifier

https://treatment.plazi.org/id/03C587A5-FF80-F931-FF3B-FBFA6469F801

treatment provided by

Plazi

scientific name

Pleurotomella demosia ( Dautzenberg & Fischer, 1896 )
status

 

Pleurotomella demosia ( Dautzenberg & Fischer, 1896) View in CoL

Fig. 15 View FIGURE 15. a – d q–t

Pleurotoma demosia Dautzenberg & Fischer, 1896 (p. 429, pl. 15, fig. 12).

Pleurotomella (Gymnobela) demosia (Dautzenberg & H. Fischer) View in CoL — Nordsieck 1968 (p. 183, pl. 31, fig. 95.64).

Pleurotomella (Gymnobela) demosia ( Dautzenberg & Fischer, 1896) View in CoL — Nordsieck 1977 (p. 67, pl. 26, fig. 136).

Pleurotomella demosia ( Dautzenberg & Fischer, 1896) View in CoL — Bouchet & Warén 1980 (p. 39, figs. 91, 226); Beck et al., 2006 (p. 81, bottom fig.).

Pleurotomella demosia ( Dautzenberg and Fischer, 1896) View in CoL — Poppe & Goto 1991 (p. 173, pl. I, fig. 28).

Pleurotomella demosia View in CoL (Dautzenber y Fischer, 1896)— Giribet & Peñas 1997 (p. 74, figs. 66–68).

Pleurotomella demosia ( Dautzenberg & Fischer H., 1896) View in CoL — Repetto et al. 2005 (p. 215, top left fig.).

Pleurotomella demosia View in CoL ( Dautzenberg y H. Fischer, 1896)— Peñas et al. 2006 (p. 126, figs. 252, 277–278).

Pleurotomella demosia (Dautzenberg & Fisher H., 1896) View in CoL — Crocetta & Spanu 2008 (p. 72, figs. 3A–B).

Diagnostic characters. Fusiform shell; spire whorls angular; subhorizontal subsutural shelf giving the spire a stepped appearance; oval aperture; short and wide siphonal canal; rather narrow U-shaped anal sinus; 12 to 16 rounded collabral ribs per whorl; superimposed thin spiral cords rapidly increasing in number by intercalation during growth; nodules at the intersections of ribs and cords. Protoconch: conical; 3 whorls; diameter about 530 µm (protoconch I: 310 µm); height about 560 µm; first 1.5 whorls (protoconch I) with spirally connected T-shaped granules forming a square reticulated pattern; subsequent whorls (protoconch II) with an oblique reticulated pattern of sinuous, collabral axial riblets and non-collabral prosocline riblets; the latter riblets absent in the adapical fourth, where only collabral riblets are present; transition to the teleoconch marked at a sinusigera.

Occurrence. Box-corer samples BC71 (11 specimens), BC72 (1). Maximum height: 10 mm.

Distribution and habitat. Pleurotomella demosia is distributed from the northeastern Atlantic southward to the Lusitanic province and the Mediterranean, in the 120–1980 m depth interval ( Bouchet & Warén 1980; Poppe & Goto 1991; Bouchet & Taviani 1992). In Sardinian waters, it was found associated with a deep water population of Corallium rubrum ( Crocetta & Spanu 2008) .

Fossil record. None recorded.

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Neogastropoda

Family

Raphitomidae

Genus

Pleurotomella

Loc

Pleurotomella demosia ( Dautzenberg & Fischer, 1896 )

Negri, Mauro Pietro & Corselli, Cesare 2016
2016
Loc

Pleurotoma demosia

Dautzenberg & Fischer 1896
1896
Loc

Pleurotomella (Gymnobela) demosia (

Dautzenberg & Fischer 1896
1896
Loc

Pleurotomella demosia (

Dautzenberg & Fischer 1896
1896
Loc

Pleurotomella demosia (

Dautzenberg and Fischer 1896
1896
Loc

Pleurotomella demosia (

Dautzenberg & Fischer H. 1896
1896
Loc

Pleurotomella demosia

Dautzenberg & Fisher H. 1896
1896
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