Metaxia excelsa Faber & Moolenbeek, 1991

Fernandes, Maurício Romulo, 2024, Triphoridae (Gastropoda) from Martinique sampled by the MADIBENTHOS expedition, with notes on shallow-water species from Guadeloupe, Zoosystema 46 (18), pp. 457-503 : 472-474

Metaxia excelsa Faber & Moolenbeek, 1991

( Figs 2C ; 18J , L-O)

Metaxia excelsa Faber & Moolenbeek, 1991: 83 .

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 1 • 2 sh; sta. GB02; MNHN • 1 spm; sta. GB03; MNHN • 3 sh; sta. GB06; MNHN • 1 sh, 1 spm; sta. GS06; MNHN • 2 sh, 1 spm; sta. GB08; MNHN • 1 sh; sta. GB11; MNHN • 1 sh; sta. GS11; MNHN • 1 spm; sta. GB12; MNHN • 1 sh; sta. GB13; MNHN • 15 sh, 3 spm; sta. GS13; MNHN • 1 sh; sta. GB14; MNHN • 1 spm; sta. GS15; MNHN • 4 sh; sta. GB16; MNHN • 1 sh; sta. GS17; MNHN • 4 sh; sta. GS18; MNHN • 1 sh; sta. GS19; MNHN • 1 sh; sta. GS22; MNHN • 1 sh; sta. GB23; MNHN • 1 sh; sta. GS23; MNHN • 1 sh; sta. GB25; MNHN • 1 sh; sta. GB36; MNHN • 1 sh; sta. GD68; MNHN. — KARUBENTHOS 2 • 1 sh; sta. DW4545; MNHN.

Martinique. MADIBENTHOS. ‘Nord Atlantique’ • 1 spm; sta. AB197; MNHN • 1 sh [worn]; sta. AD255; MNHN • 2 sh; sta. AD260; MNHN • 2 sh; sta. AD263; MNHN • 3 sh; sta. AD267; MNHN • 5 sh; sta. AD275; MNHN • 2 sh; sta. AS565; MNHN. — ‘Sud Atlantique’ • 1 sh; sta. AD222; MNHN • 1 sh; sta. AB401; MNHN. — ‘Nord Caraibe’ • 1 sh; sta. AB159; MNHN • 3 sh, 1 spm; sta. AB161; MNHN • 2 sh; sta. AD280; MNHN • 1 sh; sta. AD289; MNHN • 3 sh; sta. AD290; MNHN • 1 spm; sta. AB362; MNHN • 1 sh; sta. AS 363; MNHN • 3 sh; sta. AB372; MNHN • 1 sh; sta. AS 375; MNHN • 1 sh; sta. AB382; MNHN • 4 sh; sta. AB386; MNHN • 1 sh; sta. AB463; MNHN • 1 sh; sta. AB567; MNHN • 1 sh; sta. AS 572; MNHN • 3 sh; sta. AS 576; MNHN. ‘Sud Caraibe’ • 1 sh; sta. AB058; MNHN • 1 spm; sta. AB123; MNHN • 2 sh; sta. AB150; MNHN • 2 sh; sta. AB152; MNHN • 2 sh; sta. AB169; MNHN • 1 sh; sta. AB173; MNHN • 2 sh; sta. AB177; MNHN • 1 sh; sta. AD203; MNHN • 2 sh; sta. AD216; MNHN • 1 sh [juvenile]; sta. AD271; MNHN • 1 sh; sta. AB354; MNHN • 1 sh; sta. AS 370; MNHN • 1 sh; sta. AD617; MNHN. ‘Baie de Fort-de-France’ • 1 sh; sta. AB392; MNHN • 1 sh; sta. AB394; MNHN.

BATHYMETRIC DISTRIBUTION. — Recorded depth in Guadeloupe: 3-60 m (live specimens at 14-50 m). Recorded depth in Martinique: 2-80 m (live specimens at 4-25 m). Previous recorded depth in the West Atlantic: 1-147 m ( Fernandes & Pimenta 2020).

Figures

FIG. 2. — Triphoridae Gray,1847 from Martinique - cont.:A, Latitriphora albida (A. Adams,1854),MNHN,sta.AB149,4.0 mm;B, Marshallora cf. modesta (C. B. Adams, 1850), MNHN, sta. AB150, 4.3 mm; C, Metaxia excelsa Faber & Moolenbeek, 1991, MNHN, sta. AB123, 3.6 mm; D, Metaxia rugulosa (C. B. Adams, 1850), MNHN, sta. AD265, 6.3 mm; E, Metaxia taeniolata (Dall, 1889), MNHN, sta. AD261, 5.5 mm; F, Monophorus olivaceus (Dall, 1889), MNHN, sta. AS576, 9.5 mm; G, Nototriphora decorata (C. B. Adams,1850), MNHN, sta.AB390, 6.8 mm; H, Sagenotriphora osclausum (Rolán & Fernández-Garcés,1995),MNHN,sta. AS565, 3.4 mm; I, Similiphora intermedia (C. B. Adams, 1850), MNHN, sta. AD067, 5.6 mm; J, Similiphora sp., MNHN, sta. AS552, 5.1 mm. Scale bars: 1 mm.

FIG. 18. — Live triphorids from Martinique and Guadeloupe (marked with asterisk): A, B, Coriophora novem (Nowell-Usticke, 1969), MNHN, sta. GM08 (A), AD254 (B); C-F, Cosmotriphora melanura (C.B.Adams, 1850), MNHN, sta. GB03 (C), AS096 (D), GS17 (E), AD214 (F); G-I, K, Iniforis turristhomae (Holten, 1802), MNHN, sta. AS075 (G-H), AM005 (I), GB07 (K); J, L-O, Metaxia excelsa Faber & Moolenbeek, 1991, MNHN, sta. AB123 (J), GB12 (L, O), AB362 (M), AB197 (N). Credits: MNHN team.