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FIG. 16 in complex (Mollusca, Nudibranchia, Chromodorididae), with remarks the genus Brachychlanis Ehrenberg, 1831

FIG. 16. Phylogeny of the clade containing H. infucata, H. obscura, H. saintvincentius and related species. Numbers refer to characters listed in Gosliner and R. Johnson (1999). Characters printed in bold italics represent reversals.

FIG. 13 in complex (Mollusca, Nudibranchia, Chromodorididae), with remarks the genus Brachychlanis Ehrenberg, 1831

FIG. 13. Hypselodoris saintvincentius from Cockburn Sound, Western Australia (CASIZ 115232), scanning electron microscope pictures of the radula and jaws: (A) inner lateral teeth, scale bar 530 mm; (B) mid lateral teeth, scale bar 530 mm; (C) outer lateral teeth, scale bar 530 mm; (D) jaw elements, scale bar 520 mm.

FIG. 11 in complex (Mollusca, Nudibranchia, Chromodorididae), with remarks the genus Brachychlanis Ehrenberg, 1831

FIG. 11. Hypselodoris obscura from Jervis Bay, New South Wales, Australia (AM C144046), scanning electron microscope pictures of the radula and jaws: (A) inner lateral teeth, scale bar 525 mm; (B) mid lateral teeth, scale bar 525 mm; (C) outer lateral teeth, scale bar 520 mm; (D) jaw elements, scale bar 510 mm.

FIG. 14 in complex (Mollusca, Nudibranchia, Chromodorididae), with remarks the genus Brachychlanis Ehrenberg, 1831

FIG. 14. Hypselodoris saintvincentius from Cockburn Sound, Western Australia (CASIZ 115232), reproductive system, scale bar 51 mm. Abbreviations: am, ampulla; bc, bursa copulatrix; ej, ejaculatory portion of the vas deferens; fgm, female gland mass; p, penis; pr, prostate; rs, receptaculum seminis; ud, uterine duct; vd, vaginal duct; vg, vestibular gland.

Figure 2 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 2. Maximum-likelihood topology of Pteraeolidia phylogeny based on combined COI and 16S data sets. Maximumparsimony support also shown. Black bars indicate results of species delimitation analyses on COI data set; ABGD (A) and statistical parsimony (T). Within those bars, missing data is shown with textured grey.

Figure 3 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 3. Comparison of live images of tropical clade Pteraeolidia 'semperi' (A–C) and P. ianthina (D–H). A, Adult tropical Pteraeolidia, AMS C.153588, Darwin. B, Markings of lateral sides, tropical Pteraeolidia, AMS C.126088, Lizard Is. C, Three bands on oral tentacles of tropical Pteraeolidia, AMS C.153588, Darwin. D, Egg masses of P. ianthina, AMS C.155772, Solitary Is., Coffs Harbour. E, Adult P. ianthina, AMS C.124698, Port Stephens. F, No markings present on lateral sides of P. ianthina, AM C.133292, North Bondi, Sydney. G, Two bands on oral tentacles of P. ianthina, AMS C.149567, Eden. H, Juvenile P. ianthina, AM C.149567, Eden. Scale bar is 10 mm in all cases except G (5 mm), and B and H (2.5 mm). All photographs are by Bill Rudman, except B by John Fields, and E by Heather McLennan.

Figure 1 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 1. Distribution of samples sequenced in this study. Blue indicates samples determined to be Pteraeolidia ianthina, green represents P. 'semperi'. Size of circle indicates numbers of specimens, see Table 1 for exact numbers.

Figure 5 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 5. Scanning electron microscopy of Pteraeolidia radulae. A,C,E. Lateral view P. 'semperi' (respectively Sulawesi I, AMS C.474017; Maui E, AMS C.474049; Heron B, AMS C.474026). B,D,F. P. ianthina (respectively Port Stephens H, AMS C.474043; Sydney E, AMS C.474032; Eden, AM S.474044). Scale bar represents 20 μm for all except B, where it is 10 μm.

Figure 6 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 6. Extent of known distribution of Pteraeolidia ianthina. Yellow circles indicate sequenced specimens, orange circle indicates photographic record. Museum records inside these northern and southern boundaries not shown.

Figure 4 in Here be dragons - phylogeography of Pteraeolidia ianthina (Angas, 1864) reveals multiple species of photosynthetic nudibranchs (Aeolidina: Nudibranchia)

Figure 4. Scanning electron microscopy of Pteraeolidia radulae. A,C, E. Dorsal view P. 'semperi' (respectively Sulawesi I, AMS C.474017; Maui E, AMS C.474049; Heron B, AMS C.474026). B,D,F. Dorsal view P. ianthina (respectively Port Stephens H, AMS C.474043; Sydney E, AMS C.474032; Eden, AMS C.474044). Scale bar represents 10 μm for all, except D and E, where it is 20 μm.

FIGURE 4 in Attack on crypsis: Molecular and morphological study of Dendrodoris Ehrenberg 1831 (Mollusca: Gastropoda: Nudibranchia) from the Mediterranean Sea and Northern Atlantic Ocean reinstates Dendrodoris temarana Pruvot-Fol, 1953

FIGURE 4. Internal anatomy of a 27 mm preserved, mature specimen of Dendrodoris temarana (CRBA-92728). A. Dorsal view. B. Ventral views. Abbreviations: ampulla; b: pharyngeal bulb; c: central nervous system; d: deferent duct; f: female gland; g: gill; ga: bursa copulatrix gp: genital pore; h: heart; hg: hermaphrodite gland; hp: digestive gland; i: intestine; o: esophagus; pr: prostate; s: blood gland; sr: seminal receptacle; t: ptyalin gland; v: vagina.

FIGURE 2 in Attack on crypsis: Molecular and morphological study of Dendrodoris Ehrenberg 1831 (Mollusca: Gastropoda: Nudibranchia) from the Mediterranean Sea and Northern Atlantic Ocean reinstates Dendrodoris temarana Pruvot-Fol, 1953

FIGURE 2. Bayesian phylogenetic tree obtained from the analysis of the COI marker, including the geographic region of each specimen (MED=Mediterranean, EATL= East Atlantic, WATL=West Atlantic), the ABGD and bPTP delimitation analyses results and schematic chromatic patterns of each species.

FIGURE 1 in Attack on crypsis: Molecular and morphological study of Dendrodoris Ehrenberg 1831 (Mollusca: Gastropoda: Nudibranchia) from the Mediterranean Sea and Northern Atlantic Ocean reinstates Dendrodoris temarana Pruvot-Fol, 1953

FIGURE 1. Bayesian phylogenetic tree obtained from the analysis of the COI+16S+H3 dataset. Posterior probabilities are indicated above the nodes and maximum likelihood bootstrap values below the nodes. Specimens of Dendrodoris sp. were previously misidentified as specimens of the species in the clades with a blue star.

FIGURE 3 in Attack on crypsis: Molecular and morphological study of Dendrodoris Ehrenberg 1831 (Mollusca: Gastropoda: Nudibranchia) from the Mediterranean Sea and Northern Atlantic Ocean reinstates Dendrodoris temarana Pruvot-Fol, 1953

FIGURE 3. Chromatic variation in Dendrodoris temarana. A. Neotype MNCN-15.05/200177 (Temara). B. Egg mass. C–D. Specimen CRBA-92721 (Cubelles) with detail of the gill leaves. E–F. Specimen CRBA-92737 (Cubelles) with detail of the gill leaves. G–H. Specimen CRBA-92738 (Cubelles) with detail of the rhinophores.

FIGURE 5 in Attack on crypsis: Molecular and morphological study of Dendrodoris Ehrenberg 1831 (Mollusca: Gastropoda: Nudibranchia) from the Mediterranean Sea and Northern Atlantic Ocean reinstates Dendrodoris temarana Pruvot-Fol, 1953

FIGURE 5. Anterior region of a 27 mm preserved Dendrodoris temarana (CRBA-92728). Digestive system. A. Dorsal view. B. Ventral view. Reproductive system. C. Dorsal view. D. Ventral view. Abbreviations: a: ampulla; b: pharyngeal bulb; bc: bursa copulatrix; c: central nervous system; dd: deferent duct dt: digestive tube; f: female gland; hd: hermaphroditic duct; o: esophagus; p: penis; pr: prostate; sr: seminal receptacle; tc: ptyalin duct; tl: left ptyalin gland; tr: right ptyalin gland; v: vagina.

Figure 14 in Extra-branchial processes manifest extra diversity: systematics of the genus Trapania (Nudibranchia: Goniodorididae) and nine new species descriptions

Figure 14. Trapania stegodon sp. nov. Scanning electron micrographs of buccal armature of holotype NMP 041332, (formerly CASIZ 186206). A, jaw. B, entire radula. C, older radular teeth. D, newly formed radular teeth.

Figure 18 in Extra-branchial processes manifest extra diversity: systematics of the genus Trapania (Nudibranchia: Goniodorididae) and nine new species descriptions

Figure 18. Trapania kanaloa sp. nov. Scanning electron micrographs of buccal armature of holotype CASIZ 189444. A, jaw. B, entire radula. C, older radular teeth. D, newly formed radular teeth.

Figure 3 in Extra-branchial processes manifest extra diversity: systematics of the genus Trapania (Nudibranchia: Goniodorididae) and nine new species descriptions

Figure 3. Trapania japonica (Baba, 1935). Scanning electron micrographs of buccal armature CASIZ 222116. A, jaw rodlets. B, isolated radular teeth. Arrow indicates jaw rodlet.

Figure 1 in Extra-branchial processes manifest extra diversity: systematics of the genus Trapania (Nudibranchia: Goniodorididae) and nine new species descriptions

Figure 1. Bayesian inference and maximum likelihood phylogeny of Trapania estimated from the (16S + COI + 18S + H3) concatenated dataset. Values above branches refer to posterior probabilities (PP) and values below branches refer to bootstrapping values (BS). Dashes indicate relationships not recovered during the maximum likelihood analysis. To the right are the results of the ABGD analysis (oval) and the bPTP analysis (square).

Figure 10. Trapania darvelli Rudman, 1987 in Extra-branchial processes manifest extra diversity: systematics of the genus Trapania (Nudibranchia: Goniodorididae) and nine new species descriptions

Figure 10. Trapania darvelli Rudman, 1987. Scanning electron micrographs of buccal armature, CASIZ 191431. A, jaw rodlets. B, entire radular ribbon. C, older radular teeth. D, newly formed radular teeth.