Berthellina ignis Alvim & Pimenta, 2015

Delgado, Marlon, Freire, Fúlvio Aurélio de Morais, Meirelles, Carlos Augusto Oliveira de, Padula, Vinicius, Bahia, Juliana & Brandão, Simone Nunes, 2022, Sea slugs (Gastropoda: Heterobranchia) from Rio Grande do Norte, Northeastern Brazil, Papéis Avulsos de Zoologia 62, pp. 1-26 : 12-13

20. Berthellina ignis Alvim & Pimenta, 2015 ( Fig. 3E )

Material examined: CabeÇo de Barreirinhas , Nísia Floresta, 10.III.2009, six specimens, 4-10 mm (body length), leg. V. Padula ( MZSP 97042 ), 20.VI.2009, one specimen, 25 mm (body length), leg. M. Delgado ( MZSP 97039 ) ; CabeÇo de Mestre Vicente , Nísia Floresta, 10.XII.2009, one specimen, 5 mm (body length), leg. M. Delgado ( GEEFAA 335 ) .

Description: Body oval, 4 to 25 mm in length, orange reddish coloration with a few white spots. Anteriorly, with (1) a subtrapezoidal veil with undulated anterior margin; (2) a pair of retractile, v-shaped, lobulated and conspicuous rhinophores. Mid-distally, body covered by the notum, which shows minute papillae. Center of the body darkened by the visceral mass, protected by the internal shell. Gills on right side of the body, located between the inferior part of the mantle and the superior part of the foot. Ventrally, muscular foot flattened and completely covered by the notum.

Geographic distribution: Western Atlantic: Brazil (Pará and Rio Grande do Norte) ( Alvim & Pimenta, 2015).

Remarks: The species was described by Alvim & Pimenta (2015) based on specimens from Ceará, northern Brazil and specimens from Rio Grande do Norte (CabeÇo de Barreirinhas dive site). In the present study, we recorded the species at CabeÇo de Mestre Vicente dive site.

Figures

Figure 3. Heterobranchsea slugsfrom Rio Grandedo Norte.(A) Phyllaplysiaengeli (6mm – GEEFAA342);(B)Berthela agassizii(11mm –MZSP 97047);(C) Berthella nebula (7 mm– GEEFAA 1307);(D)Berthella vialactea(14mm – GEEFAA 304);(E) Berthellinaignis (10 mm– GEEFAA 335);(F) Cadlina rumia(10mm – GEEFAA311); (G) Felimida clenchi (9 mm – MZSP 97070); (H) Felimare sp. (13 mm – GEEFAA 313); (I) Tyrinna evelinae (18 mm – GEEFAA 1305); (J) Diaulula greeleyi (20 mm – GEEFAA 259a); (K) Discodoris branneri (70 mm – MZSP 97063); (L) Geitodoris pusae (14 mm – GEEFAA 338); (M.1) Sclerodoris prea (33 mm – GEEFAA 1314); (M.2) Sclerodoris prea (35 mm – GEEFAA1314); (N) Taringa iemanja (25 mm – MZSP 97062);(O) Taringa telopia (18 mm – MZSP 97071).