Microlinices gaiophanis, Simone, 2014
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publication ID |
https://doi.org/ 10.5252/z2014n3a2 |
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persistent identifier |
https://treatment.plazi.org/id/7C5BCE66-FFDB-195D-83F6-D39C96B7FD1D |
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treatment provided by |
Felipe |
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scientific name |
Microlinices gaiophanis |
| status |
n. gen., n. sp. |
Microlinices gaiophanis View in CoL n. gen., n. sp. ( Fig. 8 View FIG H-K)
HOLOTYPE. — MNHN 27152 About MNHN .
Paratype. — MZSP 105127, 1 shell from type locality.
TYPE LOCALITY. — Brazil. Rio de Janeiro: off Araruama, MD 55 sta. CB 106, 23°54’S, 42°10’W, 830 m, 02. VI.1987 (coll. Bouchet, Leal & Métivier).
DIAGNOSIS. — Shell c. 6 mm, c. 115% taller than wide. Umbilicus open, wide, upper region covered by thick callus, inner middle fold wanting. Sculpture lacking, surface shining, pale brown. Protoconch blunt, of 1 whorl. Spire angle c. 90°.
DESCRIPTION
Shell ( Fig. 8 View FIG H-K)
Diameter of c. 5 mm; height c. 115% of width; general form turbiform. Color pale brown, slightly darker close to upper suture. Protoconch blunt, of 1 rounded whorl ( Fig. 8I, K View FIG ); surface smooth, shining; diameter c. 0.6 mm, occupying c. 12% of upper shell surface. Teleoconch of c. 2.5 whorls; suture well marked; spire angle c. 90° ( Fig. 8H, J View FIG ). Sculpture absent except for growth lines and axial sparse strong undulations; undulations slightly stronger in umbilicus. Suture well-marked, subsutural low shoulder at angle of c. 110° ( Fig. 8I, J View FIG ). Aperture semicircular, narrow, occupying c. 62% of shell height and c. 45% of shell width; outer lip thick, weakly prosocline ( Fig. 8J View FIG ), simple; inner lip slightly concave to almost straight ( Fig. 8H View FIG ), upper half covered by callus, slightly wider than lower half. Umbilicus lacking middle fold, wide, open; c. 1/2 covered by callus with straight, vertical edge; its aperture occupying c. 10% of lower surface.
Measurements (width and height in mm)
Holotype ( Fig. 8 View FIG H-K): 5.2 × 6.1.
Paratype: MZSP 105127: 5.0 × 5.6.
Habitat
830 m depth, muddy bottoms (no living specimens).
Etymology
The specific epithet is derived from the Greek word gaiophanes, meaning earth-colored, an allusion to the brownish color of the shell.
| MZSP |
Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo |
| MD |
Museum Donaueschingen |
| CB |
The CB Rhizobium Collection |
| VI |
Mykotektet, National Veterinary Institute |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.