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29 results for “Etmopteridae”
FIGURE 3 in Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade
FIGURE 3. Dermal denticle arrangement on ventral snout surface of Etmopterus marshae (holotype, PNM 15353).
Data underlying RSOS-210474: Mitochondrial DNA sequencing of a wet-collection syntype demonstrates the importance of type material as genetic resource for Lantern Shark taxonomy (Chondrichthyes: Etmopteridae)
<p>After initial detection of target archival DNA of a 116 year old syntype specimen of the Smooth Lanternshark, <i>Etmopterus pusillus</i> in a single stranded DNA library, we shotgun-sequenced additional 9 million reads from this same DNA library. Sequencing reads were used for extracting mitochondrial sequence information for analyses of mitochondrial DNA characteristics and reconstruction of the mitochondrial genome. The archival DNA is highly fragmented. A total of 4,599 mitochondrial reads were available for the genome reconstruction using an iterative mapping approach. The resulting genome sequence has a 12 times coverage and a length of 16,741 basepairs. All 37 vertebrate mitochondrial loci plus the control region were identified and annotated. The mitochondrial NADH2 gene was subsequently used to place the syntype haplotype in a network comprising multiple <i>E. pusillus</i> samples from various distant localities as well as sequences from a morphological similar species, the Shortfin Smooth Lantern Shark <i>Etmopterus joungi</i>. Results confirm the almost global distribution of <i>E. pusillus</i> and suggest <i>E. joungi </i>to be a junior synonym of <i>E. pusillus</i>. As mitochondrial DNA often represents the only available reference information in non-model organisms, this study illustrates the importance of mitochondrial DNA from an aged, wet-collection type specimen for taxonomy.</p>
Data underlying RSOS-210474: Mitochondrial DNA sequencing of a wet-collection syntype demonstrates the importance of type material as genetic resource for Lantern Shark taxonomy (Chondrichthyes: Etmopteridae)
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FIGURE 1 in Etmopterus lailae sp. nov., a new lanternshark (Squaliformes: Etmopteridae) from the Northwestern Hawaiian Islands
FIGURE 1. Etmopterus lailae new species, immature male holotype (BPBM 40183).
FIGURE 5 in Etmopterus lailae sp. nov., a new lanternshark (Squaliformes: Etmopteridae) from the Northwestern Hawaiian Islands
FIGURE 5. Distribution map of Hawaiian Etmopterus species.
FIGURE 2 in Etmopterus lailae sp. nov., a new lanternshark (Squaliformes: Etmopteridae) from the Northwestern Hawaiian Islands
FIGURE 2. Tooth morphology of upper and lower teeth of immature male holotype (BPBM 40183).
FIGURE 2 in Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade
FIGURE 2. Tooth morphology of upper and lower teeth of immature male holotype (PNM 15353).
FIGURE 4 in Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade
FIGURE 4. Ventral flank marking between pelvic fins and lower caudal origin of Etmopterus marshae new species (holotype, PNM 15353).
FIGURE 5 in Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade
FIGURE 5. Distribution map of Etmopterus marshae new species from the Philippines.
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