Diphasia margareta ( Hassall, 1841 )

Diphasia margareta ( Hassall, 1841) View in CoL

Diphasia margareta View in CoL : Gil & Ramil 2017b: 309–318 View Cited Treatment , figs 4–7 (synonymy).

Material examined. BISSAU-0810, stn BS132, 11º31'33"N, 17º14'07"W, depth unknown, 23-X-2008: five colonies without gonothecae, 5–60 mm high, of which four growing on worm tubes.

BISSAU-0810, stn BS133, 11º29'17"– 11º28'26"N, 17º15'14"– 17º15'14"W, 733–737 m, 23-X-2008: seven colonies (one with male gonothecae), 29–63 mm high, of which six growing on worm tubes and one on coral.

BISSAU-0810, stn BS134, 11º28'17"– 11º29'11"N, 17º13'12"– 17º13'22"W, 374–385 m, 23-X-2008: four colonies 64–115 mm high without gonothecae; substrate unknown

BISSAU-0810, stn BS147, 11º08'35"– 11º08'27"N, 17º11'31"– 17º10'37"W, 186–306 m, 26-X-2008: eight colonies without gonothecae, 4–83 mm high, of which one growing on Nemertesia irregularis .

BISSAU-0810, stn BS152, 10º31'12"– 10º30'19"N, 17º12'34"– 17º12'32"W, 300–305 m, 27-X-2008: 223 colonies (37 with female gonothecae and 25 with male gonothecae), 15–119 mm high, of which 22 growing on Lytocarpia myriophyllum , one on Nemertesia irregularis , one on Nemertesia ventriculiformis and one on a worm tube.

BISSAU-0810, stn BS157, 10º19'36"– 10º18'44"N, 17º10'29"– 17º10'12"W, 304–308 m, 28-X-2008: five colonies (one with male gonothecae), 45–78 mm high, of which two growing on worm tubes.

BISSAU-0810, stn BS173, 10º04'52"– 10º04'17"N, 16º34'12"– 16º33'30"W, 277–278 m, 31-X-2008: two colonies 67– 50 mm high without gonothecae, unknown substrate.

Remarks. This material was included in the work of Gil & Ramil (2017b), who re-described the species in detail, along with a discussion on its taxonomic status. These are the first records of this species for Guinea-Bissau.

Genus Dynamena Lamouroux, 1812