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| Kantor, Yuri I.; Fedosov, Alexander E.; Snyder, Martin Avery; Bouchet, Philippe. |
| The genus Pseudolatirus Bellardi, 1884, with the Miocene type species Fusus bilineatus Hornes, 1853, has been used for 13 Miocene to Early Pleistocene fossil species and eight Recent species and has traditionally been placed in the fasciolariid subfamily Peristerniinae Tryon, 1880. Although the fossil species are apparently peristerniines, the Recent species were in their majority suspected to be most closely related to Granulifusus Kuroda & Habe, 1954 in the subfamily Fusininae Wrigley, 1927. Their close affinity was confirmed by the molecular phylogenetic analysis of Couto et al. (2016). In the molecular phylogenetic section we present a more detailed analysis of the relationships of 10 Recent Pseudolatirus-like species, erect two new fusinine... |
| Tipo: Text |
Palavras-chave: Gastropod; Fasciolariidae; Pseudolatirus; Molecular phylogeny; New genera; New species; Southwest Pacific. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00620/73240/72754.pdf |
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| Fassio, Giulia; Modica, Maria Vittoria; Mary, Lou; Zaharias, Paul; Fedosov, Alexander E.; Gorson, Juliette; Kantor, Yuri I.; Holford, Mandё; Puillandre, Nicolas. |
| Profundiconus is the most divergent cone snail genus and its unique phylogenetic position, sister to the rest of the family Conidae, makes it a key taxon for examining venom evolution and diversity. Venom gland and foot transcriptomes of Profundiconus cf. vaubani and Profundiconus neocaledonicus were de novo assembled, annotated, and analyzed for differential expression. One hundred and thirty-seven venom components were identified from P. cf. vaubani and 82 from P. neocaledonicus, with only four shared by both species. The majority of the transcript diversity was composed of putative peptides, including conotoxins, profunditoxins, turripeptides, insulin, and prohormone-4. However, there were also a significant percentage of other putative venom components... |
| Tipo: Text |
Palavras-chave: Conidae; Conotoxins; Turripeptides; Transcriptome; Venom gland. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00589/70155/68142.pdf |
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| Zaharias, Paul; Kantor, Yuri, I; Fedosov, Alexander E.; Criscione, Francesco; Hallan, Anders; Kano, Yasunori; Bardin, Jeremie; Puillandre, Nicolas. |
| The practice of species delimitation using molecular data commonly leads to the revealing of species complexes and an increase in the number of delimited species. In a few instances, however, DNA-based taxonomy has led to lumping together of previously described species. Here, we delimit species in the genus Cryptogemma (Gastropoda: Conoidea: Turridae), a group of deep-sea snails with a wide geographical distribution, primarily by using the mitochondrial COI gene. Three approaches of species delimitation (ABGD, mPTP and GMYC) were applied to define species partitions. All approaches resulted in eight species. According to previous taxonomic studies and shell morphology, 23 available names potentially apply to the eight Cryptogemma species that were... |
| Tipo: Text |
Palavras-chave: Species delimitation; Species description; ABGD; GMYC; PTP; Deep-sea species; Larval dispersal; Cosmopolitan species. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00688/79988/82966.pdf |
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| Fedosov, Alexander E.; Malcolm, Gavin; Terryn, Yves; Gorson, Juliette; Modica, Maria Vittoria; Holford, Mande; Puillandre, Nicolas. |
| The conoidean family Terebridae is an intriguing lineage of marine gastropods, which are of considerable interest due to their varied anatomy and complex venoms. Terebrids are abundant, easily recognizable and widely distributed in tropical and subtropical waters, but our findings have demonstrated that their systematics requires revision. Here we elaborate the classification of Terebridae based on a recently published molecular phylogeny of 154 species, plus characters of the shell and anterior alimentary system. The 407 living species of the family, including seven species described herein, are assigned to three subfamilies: Pellifroniinae new subfamily, Pervicaciinae and Terebrinae. The Pellifroniinae comprises five deep -water species in two genera,... |
| Tipo: Text |
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| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00620/73228/72936.pdf |
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