Berthellina delicata ( Pease, 1861 )

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 : 10

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.6025725

persistent identifier

https://treatment.plazi.org/id/03EB87A2-FFD9-FF8D-9790-FF5DFB15FC62

treatment provided by

Plazi

scientific name

Berthellina delicata ( Pease, 1861 )
status

 

Berthellina delicata ( Pease, 1861) species complex

( Figures 2 B–D View FIGURE 2 )

Material examined. Twelve specimens. MB28-005057, ZWH, 5 Dec. 2011, 16m, 40mm; MB28-005058, ZRP, 0 7 Jun. 2012, 2m, 30mm; MB28-00 5059, ZRP, 0 7 Jun. 2012, 1m, 28mm; MB28-005060, ZRP, 0 7 Jun. 2012, 2m, 30mm; MB28-005061, ZRP, 26 May 2013, 1m, 30mm; MB28-005062, ZAR, 35m, 20mm; MHN-YT1013, VIS3, 12 Nov. 2013, 5m, 18mm; MB28-005063, VIS3, 12 Nov. 2013, 5m, 14mm; MB28-005 0 64, POA, 0 8 May 2014, 41m, 18mm; MB28-005065, NCh6, 0 5 Jun. 2014, 3m, 21mm; ZMBN105155, 21 May 2015, VIAIR, 2spcs., 4m, 12–26mm.

Habitats. Subtropical tidal reefs, rocky reefs and tropical coral reefs and bommies.

Occurrences. Ponta do Ouro, Zavora, Nuarro and Vamizi Island.

Geographic distribution. Indo-west, central Pacific. Hawaii, Midway Atoll (Gosliner et al. 2008), Japan ( Baba 1949), Papua New Guinea, Seychelles, Réunion Island (Gosliner et al. 2008) and Mozambique ( Martens 1879).

Remarks. Three-colour morphotypes were found: yellowish with a delicate reticulated pattern on the dorsum ( Fig. 2 B View FIGURE 2 ); a translucent yellow body with low yellow tubercles ( Fig. 2 C View FIGURE 2 ); and an orange body with white specks ( Fig. 2 D View FIGURE 2 ). The variety of habitats, depths and specimen colours suggest that the animals collected here probably represent a complex of species. The systematics of Berthellina from the Indo-Pacific are in need of a comprehensive review ( Cervera et al. 1999; Moustafa et al. 2016), because this taxon is indistinguishable by external characteristics alone ( Gardiner 1936; Gosliner et al. 2008; Alvim & Pimenta 2015).

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