Halgerda, Bergh, 1880

Tibiriçá, Yara, Pola, Marta & Cervera, Juan Lucas, 2017, Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique, Zootaxa 4359 (1), pp. 1-133 : 50

publication ID

https://doi.org/ 10.11646/zootaxa.4359.1.1

publication LSID

lsid:zoobank.org:pub:8D06174D-B19F-4B5C-B9B0-DA74E6D43C75

DOI

https://doi.org/10.5281/zenodo.6025950

persistent identifier

https://treatment.plazi.org/id/03EB87A2-FFE1-FFB5-9790-FD83FC62FBCF

treatment provided by

Plazi

scientific name

Halgerda
status

 

Halgerda View in CoL sp. 2

( Figure 16 L View FIGURE 16 )

Material examined. Eight specimens. MB28-004417, ZRP, 0 5 May 2011, 1 m, 15mm (preserved); MB28-004565, ZRP, 0 7 Jun. 2012, 2m, 9mm; MB28-0 0 4679, ZRP, 25 May 2013, 1 m, 20mm; MB28-004731, ZRP, 22 Aug. 2013, 2m, 27mm; MHN-YT903, ZRP, 0 7 Sep. 2013, 0.5m, 30mm; MB28-004807, ZRP, 17 Mar. 2014, 0.5m, 42mm; MB28-004901, NKA, 10 Jun. 2014, 18m, 27mm; ZMBN94225, PAE, 2 Feb. 2014, 20– 25m, 20mm.

Habitats. Subtropical tidal reefs, rocky reefs and topical coral reefs.

Occurrences. Ponta do Ouro , Zavora, Paindane, Nacala, Nuarro and Pemba.

Geographic distribution. Indian Ocean. British Indian Ocean Territory, Maldives ( Yonow et al. 2002), Kenya ( Rudman 1978), Madagascar (Eliot 1905), Tanzania (Gosliner et al. 2008) and Mozambique (Gosliner et al. 2008; King and Fraser 2014).

Remarks. This species has been thought to be an Indian Ocean variation of Halgerda tessellata ( Bergh, 1880) . However, it differs genetically and anatomically. The principle of the external difference is the absence of the submarginal band formed by white spots present in the Pacific specimens.

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