Acanthochitona ciroi Righi, 1971
publication ID |
https://doi.org/ 10.5252/zoosystema2022v44a5 |
publication LSID |
urn:lsid:zoobank.org:pub:DCD9295D-1CB3-4192-9144-F54180C9815D |
DOI |
https://doi.org/10.5281/zenodo.6339044 |
persistent identifier |
https://treatment.plazi.org/id/CA7D87C4-FFF6-4B1B-FC71-57936642F5E7 |
treatment provided by |
Felipe |
scientific name |
Acanthochitona ciroi Righi, 1971 |
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Acanthochitona ciroi Righi, 1971 View in CoL
( Fig. 1K-O View FIG )
Acanthochitona ciroi Righi 1971: 1350-137 View in CoL , figs 42-44. — Rios 1994: 19, fig. 26. — Dornellas & Simone 2011: 10, figs 8-9.
MARION DUFRESNE MATERIAL. — Brazil • 3 specimens, 2.2 × 1.1 mm, 2.1 × 1.0 mm, 2.3 × 1.1 mm; Espírito Santo, off Vitória; 20°55’S, 34°01’W; 60 m; continental shelf; MD55 , sta. DC 42, Bouchet, Leal & Métivier leg.; MNHN. GoogleMaps
TYPE MATERIAL ( EXAMINED OR NOT). — Holotype. Brazil • 1 specimen, 2.2 × 1.0 mm; Ceará, Off Fortaleza; 04°27’00”S, 37°04’00”W; 58 m; continental shelf; MZSP 25896 View Materials . GoogleMaps
Paratype. Brazil • 1 specimen, 3.7 × 2.0 mm; Ceará, off Fortaleza ; 02°16’S, 39°44’W; 75 m; continental shelf; MZSP 25897 View Materials GoogleMaps .
OTHER MATERIAL EXAMINED. — Brazil • 1 specimen, 6.0 × 2.1 mm; Espirito Santo, off São Matheus ; 20°30’20”S, 24°18’43”W; MZSP 134362 View Materials GoogleMaps .
TYPE LOCALITY. — Brazil; Ceará, Off Fortaleza; 4°27’00”S, 37°04’00”W.
DISTRIBUTION. — Northeastern and southeastern Brazilian coast.
DIAGNOSIS. — Shell covering about 40-45% of dorsal surface area. Valves slightly longer than wide; colour white with some valves orange, showing a white portion with random orange spots. Valve i sculptured by raised ridges on the upper quarter portion and small tegmental pustules on the apex, which increase in dimension toward the margin. Valves ii-vii sculptured as valve i, except for jugal areas, which are sculptured by similar-sized tegmental pustules on the entire surface ( Fig. 1N View FIG ). Valve viii elliptic, antemucronal area straight and sculptured as valves ii-vii; mucro median, postmucronal area straight, sculptured as valve i ( Fig. 1O View FIG ). Perinotum white with transversal orange stripes, with 16 spicule tufts; margins with hyaline spicules.
REMARK
The MD 55 specimens match the description of Acanthochitona ciroi ( Righi 1971: 135-137, figs 42-44) and are regarded conspecific. The species range is herein extended 2000 kmsouthwards from Ceará to Rio de Janeiro state (off São João da Barra municipality).
MNHN |
Museum National d'Histoire Naturelle |
NOT |
Nottingham City Natural History Museum |
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.
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Acanthochitona ciroi Righi, 1971
Jardim, Jaime A., De Almeida, Sergio M. & De Simone, Luiz R. L. 2022 |
Acanthochitona ciroi
DORNELLAS A. P. S. & SIMONE L. R. L. 2011: 10 |
RIOS E. C. 1994: 19 |
RIGHI G. 1971: 137 |