Cerapus thomasi Ortiz & Lemaitre, 1997

Cerapus thomasi Ortiz & Lemaitre, 1997 View in CoL

Figs 7 View Figure 7 , 31 G View Figure 31

Cerapus sp.: Ortiz and Lemaitre 1994: 124.

Cerapus thomasi Ortiz & Lemaitre, 1997: 86–90, figs 15–20. View in CoL

Material examined.

Panama • 1.6–2.7 mm • 1 ♀; Bocas del Toro, Crawl Caye ; 9.2376°N, 82.1438°W, depth 1.5–3 m, among Halimeda , 11 Aug 2021; K. N. White leg.; USNM 1743949 About USNM GoogleMaps • 1 ♀; Bocas del Drago ; 9.4180°N, 82.3375°W; depth 2–3 m, among red algae, 9 Aug 2021; K. N. White leg.; USNM 1743950 About USNM GoogleMaps .

Diagnosis.

Head ocular lobe posterior margin even, reaching ~ 1 / 3 head length; rostrum slightly produced. Antenna 1 and 2 flagella bi- and tri-articulate. Pereopod 3 basis anteroproximal corner rectangular. Pleopod 2 outer ramus uni-articulate; inner ramus with two apical setae. Telson partially cleft. Ethanol-preserved specimens retained brown coloration on most of body, especially stripes on antennae.

Distribution.

Colombia: Barú, Bahía de Cispatá, Gulf of Morrosquillo, South of Punta Comisario ( Ortiz and Lemaitre 1994, 1997); Panama: Bocas del Toro (present study).

Ecology and remarks.

This species occurs among Halimeda and red algae at depths of 1.5–3 m. Panamanian specimens agree closely with previous descriptions of Cerapus thomasi with the following exceptions: antenna 2 number of flagellar articles and antennae color pattern.