Hexabranchus lacer ( Cuvier, 1804 )

Tibiriçá, Yara, Pola, Marta, Pittman, Cory, Gosliner, Terrence M., Malaquias, Manuel A. & Cervera, Juan Lucas, 2023, A Spanish dancer? No! A troupe of dancers: a review of the family Hexabranchidae Bergh, 1891 (Gastropoda, Heterobranchia, Nudibranchia), Organisms Diversity & Evolution (New York, N. Y.) 23 (4), pp. 697-742 : 702-703

Hexabranchus lacer ( Cuvier, 1804) ( Figs. 3 , 4 , 5 , 6 and 7 )

Doris lacera Cuvier (1804) [August] (original combination): v.4, pgs. 453–465, 473, pl. 73, figs. 1–3b–c. Type locality: “la mer des Indes.” Declared “ nomen oblitum ” under ICZN Art. 23.9 versus Doris sanguínea Rüppell and Leuckart (1828) “ nomen protectum ” by Valdés (2002).

bars indicate specimens grouped as species by the delimitation analyses, from left to right: ASAP based on COI gene, ASAP based on 16S gene and bPTP, based on the results of concatenated ML analysis excluding the outgroups. Empty bars on single-gene analysis (ASAP) show missing sequences

Figures

Fig. 3 Ontogeny, color, and variation in Hexabranchus lacer (morphotype 1: Pacific). Green circles indicate studied specimens and red online sources. A early juvenile, B juvenile, C early transitional, D mild-transitional, E late transitional, F mature, even rosettes, G

Fig. 4 Ontogeny, color, and variation in Hexabranchus lacer (morphotype 2: Eastern and Western Pacific). Green circles indicate studied specimens and red online sources. A early juvenile, B juvenile, C late juvenile, D early transitional, E transitional, F mature, even

Fig. 5 Ontogeny, color, and variation in Hexabranchus lacer (morphotype 3: west Indian Ocean from Oman and Red Sea to the Maldives and south to Madagascar and South Africa). Green circles indicate studied specimens and red online sources. A Very early juvenile, B early juvenile, C late juvenile, D early transitional, E transitional, F transitional, unrolled mantle, G mature, H mature, dark I mature,

Fig. 6 Hexabranchus lacer (CASIZ193301) SEM photo- graph of the radula. A General view, B outer teeth, C inner teeth, D rodlets of the jaws

Fig. 7 Hexabranchus lacer. A Photography of internal anat- omy of exemplar MHNM-0177 with details on the reproductive system (ventral view above and dorsal view below). B Recon- structed drawing. Abbrevia- tions: amp, ampulla; bc, bursa copulatrix; bg, blood gland; dd, deferent duct; dg, digestive gland; fmg, female gland; h, heart; hd, hermaphroditic duct; it, intestine; p, penial bulb; pr, prostate; reps, reproductive sys- tem; rs, receptaculum seminis; st, stomach, ud, uterine duct; v, vagina