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13 results for “Facelinidae”
FIGURE 4 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 4 Optical (A-C, E) and SEM (D, F) images of the radula of Dondice trainitoi sp. nov. at different magnification levels. (A-D) Radula. (E, F) Rachidian tooth. Scale bar = 100 µm (D), = 20 µm (F).
Figure 1 from: Martynov A, Mehrotra R, Chavanich S, Nakano R, Kashio S, Lundin K, Picton B, Korshunova T (2019) The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
Figure 1 Comparison of Myjalongicornis Bergh, 1896 with other aeolidacean taxa that have been proposed to have relationships with it (Calma, Tergipes) and which are covered by present analysis [type species of the genus Facelina, F.auriculata (Müller, 1776)]. A–HMyjacf.longicornis from Thailand, living animal ca. 10 mm in length A dorsal view of hydroids in situ B lateral view of hydroids in situ (left), egg mass on the hydroid (right) C details of cerata D smooth masticatory processes of jaws (indicated by arrows), SEM E pharynx, dissected dorsally to show very narrow radula (indicated by an arrow), LM F whole radula, SEM G anteriormost part of radula to show sacoglossan-like small knife-shaped teeth, SEM H teeth from the middle part of radula, SEM; I, JMyjalongicornis Bergh, 1896 external view and radula (anterior part), reproduced from the first description by Bergh (1896); K–OFacelinaauriculata jaws and radula of a specimen from UK, collected together with neotype K masticatory process (well-defined denticles indicated by arrow), SEM L radula (arrow) on odontophore, to show that anteriormost teeth are not reduced, LM M anterior part of radula to show that teeth are not reduced N anteriormost tooth of radula O two anterior teeth of radula P radula (middle part) of Calmaglaucoides (Alder & Hancock, 1854) from Norway Q radula (middle part) Tergipestergipes (Forsskål in Niebuhr, 1775). Scale bars: 20 μm (D, N, O, Q); 50 μm (F, K); 10 μm (G, P); 5 μm (H); 100 μm (M). Photographs of living specimens by Chanon Ngernthongdee and Siwat Worachananant, SEM images by AV Martynov. Figures I and J are reproduced from Bergh (1896), the publication not currently under copyright.
Figure 4 from: Martynov A, Mehrotra R, Chavanich S, Nakano R, Kashio S, Lundin K, Picton B, Korshunova T (2019) The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
Figure 4 Reproductive systems of new species of the genus Myja. AMyjacf.longicornisBMyjakarin sp. n. CMyjahyotan sp. n. Abbreviations: am – ampulla; fgm – female gland mass; fo – female opening; p – penis; psh – penial sheath; rsp – proximal receptaculum seminis; vd – vas deferens.
Figure 3 from: Martynov A, Mehrotra R, Chavanich S, Nakano R, Kashio S, Lundin K, Picton B, Korshunova T (2019) The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
Figure 3 Myjahyotan sp. n., holotype. A dorsal view B ventral view C lateral view D details of cerata E dorsal view on hydroids in situ F jaw G smooth masticatory processes of jaws (indicated by arrows), SEM H radula on odontophore, to show reduced anteriormost teeth (arrow), LM I anterior teeth with strongly reduced anteriormost teeth, SEM J teeth from the middle part of radula K posterior part of radula to show smooth teeth. Scale bars: 100 μm (F); 50 μm (G, I); 10 μm (J, K). Photographs of living specimens by TA Korshunova and AV Martynov, SEM images by AV Martynov.
Figure 2 from: Martynov A, Mehrotra R, Chavanich S, Nakano R, Kashio S, Lundin K, Picton B, Korshunova T (2019) The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
Figure 2 Myjakarin sp. n. A–D holotype A dorsal view B ventral view C lateral view D animal with egg mass E details of cerata F lateral view on hydroids in situ G, H veligers; I–N paratype I jaws J smooth masticatory processes of jaws (inidicated by arrows), SEM K radula on odontophore, to show narrow teeth and reduced anteriormost teeth (arrow), LM L whole radula, SEM M teeth from the middle part of radula N anterior teeth. Scale bars: 100 μm (I); 50 μm (J, L); 10 μm (M); 5 μm (N). Photographs of living specimens by TA Korshunova and AV Martynov, SEM images by AV Martynov.
Figure 5 from: Martynov A, Mehrotra R, Chavanich S, Nakano R, Kashio S, Lundin K, Picton B, Korshunova T (2019) The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys 818: 89-116. https://doi.org/10.3897/zookeys.818.30477
Figure 5 Phylogenetic tree of aeolidacean nudibranchs based on concatenated molecular data (COI + 16S + H3) represented by Bayesian Inference (BI). Numbers above branches represent posterior probabilities from Bayesian Inference. Numbers below branches indicate bootstrap values for Maximum Likelihood. The key clades and illustrated taxa are highlighted in colour. Two taxa with highly convergent external morphology but very distantly related according to the molecular analysis, the Tergipedidae and the genus Myja, are connected by a dotted red line. Neotype ZMMU Op-669 of Facelinaauriculata (Müller, 1776) is illustrated on the tree (photograph BE Picton).
FIGURE 7 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 7 Reproductive system of G. quadricolor, voucher RM3_792. (A-C) pictures from specimens dissected at different steps (D) schematic drawing of the reproductive system. Scale bar: 1 mm. Abbreviations: am=ampulla, fg=female gland, md= male duct, p=penis, pr=prostate, ps= penis spine, sr=seminal receptacle.
FIGURE 5 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 5 Reproductive system of D. trainitoi sp. nov. (A) Picture in situ (B) female and male genital openings of the living specimen (voucher RM3_1536) (C-E) pictures from specimens dissected at different steps (F) schematic drawing of the reproductive system. Scale bar: 1 mm. Abbreviations: am=ampulla, fg=female gland, mg=male gland, p=penis, sr=seminal receptacle.
FIGURE 2 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 2 The Bayesian tree portrays the phylogenetic relationships based on the H3+16S+COI combined dataset. Numbers at nodes are Bayesian posterior probability (BI, left) and ML bootstrap support (BS, right), respectively. The histogram in the upper left part results from the ABGD analysis at the COI barcoding region showing the distribution of the pairwise estimated genetic distances (K2p) in intraspecific (left, light grey) and interspecific (right, dark grey) comparisons.
FIGURE 1 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 1 Dondice trainitoi sp. nov. (A) Specimen from Portofino promontory (44°17'53''N, 9°13'47''E) photographed in situ by Michele Solca and not collected. (B) In laboratory photograph of the holotype (Voucher MNHN IM-2000-33722) from 'Asia' wreck (42°03'15''N, 11°47'45''E). (C) Specimen from 'Asia' wreck (42°03'15''N, 11°47'45''E) photographed in situ by Jonathan Vulcano and not collected. (D) Cephalic portion of the paratype MNHN IM-2000-33724. (E) Lateral view of the paratype MNHN IM-2000-3372. (F) Egg mass of the paratype MNHN IM-2000-33723. Scale bar = 2 mm (B), = 1 mm (D)
FIGURE 6 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 6 Geographical distribution of the Mediterranean D. trainitoi sp. nov. with the red stars indicating the collection localities. 1= Punta del Faro, Portofino promontory, Liguria (44°17'53''N, 9°13'47''E), 2= 'Asia' wreck, Civitavecchia, Latium (42°03'15''N, 11°47'45''E), 3= Procida Island, Naples (40°45'02.6"N, 14°01'31.6"E).
FIGURE 3 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 3 Optical (A, B, C) and SEM (D) images of the masticatory jaws of the buccal apparatus of Dondice trainitoi sp. nov. at different magnification levels. Scale bar = 100 µm (A, B), = 40 µm (C), = 10 µm (D)
FIGURE 8 in A new Dondice Marcus Er. 1958 (Gastropoda: Nudibranchia) from the Mediterranean Sea reveals interesting insights into the phylogenetic history of a group of Facelinidae taxa
FIGURE 8 Reproductive system of D. banyulensis, voucher RM3_197. (A-C) pictures from specimens dissected at different steps (D) schematic drawing of the reproductive system. Scale bar: 1 mm. Abbreviations: am=ampulla, dmd=distal male duct, p=penis, pmd=proximal male duct, sr=seminal receptacle, v=vagina
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