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77 results for “Haploniscidae”
Benthic Haploniscidae (Isopoda) from Icelandic waters
<p>This dataset contains samples of Haploniscidae Hansen, 1916 (Isopoda, Crustacea) which were collected around Iceland from 1992- 2020. All samples were obtained from depths between 24 m and 2750 m.</p> <p>Sampling was conducted during five different projects: BIOICE (Benthic invertebrates of Icelandic waters), IceGE (Icelandic marine Animals: Genetics and Ecology), IceAGE 2 (Icelandic marine Animals: Genetics and Ecology 2), IceAGE RR (Icelandic marine Animals: Genetics and Ecology Reykjanes Ridge) and IceAEGE 3 (Icelandic marine Animals: Genetics and Ecology 3). During the cruises, animals were caught using detritus sledges, triangle dredges, Agassiz trawls or by EBS (Epi benthic sledge).</p> <p>Three Haploniscidae genera are included in the dataset. <em>Antennuloniscus</em> Menzies, 1962 and <em>Chauliodoniscus</em> Lincoln, 1985 were represented by one species each while <em>Haploniscus </em>Richardson, 1908 was present with ten species.</p>
Phylogenetic alignments and trees (16S, COI, 16S+COI) of Haploniscidae (Crustacea: Isopoda) from the Northwest Pacific Ocean
<p>The role of geomorphological features as drivers for benthic deep-sea biodiversity remains poorly understood. By disentangling the putative <em>Haploniscus belyaevi </em>Birstein, 1963 species complex from the abysso-hadal Kuril-Kamchatka Trench (KKT) region in the Northwest Pacific Ocean, we aim to shed light on deep-sea differentiation and how it is related to potential bathymetric barriers such as the KKT and the Kuril-Island Ridge (KIR). Our integrative taxonomic approach featured morphological and molecular delimitation methods, also considering the post-marsupial development due to pronounced sexual dimorphism. Mitochondrial 16S and COI markers were sequenced and several molecular species delimitation methods were applied. By combining the different results we were able to delineate six distinct species within the <em>belyaevi </em>complex, including several morphologically cryptic species, and found hints of three additional species groups in the complex. Even though several of these species were distributed across the KKT and/or KIR, limited gene flow and depth-differentiation were indicated supporting previous notions that these geomorphological features play a role in deep-sea benthos speciation.</p> <p>These files comprise the 16S, COI and 16S+COI alignments of these analyses and their phylogenetic trees as calculated by IQTree.</p>
FIGURE 8. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 8. Antennuloniscus alfi n. sp., Ψ, K40845, 1.7 mm, SEM.: A, carpus propodus junction; B, dactylus; C, ventral combs of carpus and propodus; D, detail of propodus ventral margin.
FIGURE 7. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 7. Antennuloniscus alfi n. sp., Ψ, K40845, 1.7 mm, SEM.: A, anterior part of body, ventral view; B, cephalon, anterolateral view; C antenna; D antenna, article 3, lateral view; E, pleotelson, ventral view; F, uropod.
FIGURE 6. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 6. Antennuloniscus alfi n. sp. paratype Ψ, K40706, 2.1 mm. A, pleopod 2; paratype ♂, K 40702, 2.2 mm; B, pleopod 2; C, pleopod 1, lateral view; D, pleopod 5; E pleopod 4; F, pleopod 3; G, pleopod 1, ventral view.
FIGURE 5. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 5. Antennuloniscus alfi n. sp., paratype ♂, K40704, 2.2 mm; A, pereopod 1; B, pereopod 2; C, pereopod 5; D, pereopod 3; E, pereopod 4; F, pereopod 7; G, pereopod 6.
FIGURE 4. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 4. Antennuloniscus alfi n. sp., paratype Ψ, K40706, 2.1 mm; A, right mandible; B, left mandible; C, detail of maxilliped; D, maxilla; E, maxillula; paratype ♂, K40704, 2.2 mm; F maxilliped.
FIGURE 2. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 2. Antennuloniscus alfi n. sp., paratype Ψ, K40706, 2.1 mm; A, dorsal view; B, anterior part of body, dorsal view; C, lateral view, with detail of surface structure; D, posterior part of body, dorsal view; E, posterior part of body, ventral view.
FIGURE 3. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 3. Antennuloniscus alfi n. sp., holotype ♂, K40699, 2.1 mm; A, posterior part of body, ventral view; paratype Ψ, K40706, 2.1 mm; B, cephalon, ventral view; paratype ♂, K40704, 2.2 mm, C, antenna; D, antenna, article 3, lateral view (holotype ♂); E, antennula; paratype Ψ, 2.1 mm; F, antennula; G, antenna; H, antenna, article 3, lateral view.
FIGURE 1. Antennuloniscus alfi n in Antennuloniscus alfi n. sp. (Crustacea: Isopoda: Haploniscidae) from the Scotia Sea, Antarctica
FIGURE 1. Antennuloniscus alfi n. sp., holotype ♂, K40699, 2.1 mm; A, dorsal view; B, anterior part of body, dorsal view; C, lateral view; D, posterior part of body, dorsal view; E, insertions of pereopods 1–3.
FIGURE 16. Antennuloniscus latoperculus n in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 16. Antennuloniscus latoperculus n. sp., paratype Ψ, K40729, 1.8 mm: A, maxillula; B, maxilla; C, right maxilliped, ventral view; D, detail of left maxilliped, dorsal view; E, pleopod 2.
FIGURE 8. Antennuloniscus armatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 8. Antennuloniscus armatus Menzies, 1962, ɗ, K40725, 2.2 mm: A, dorsal view; B, lateral view; C, prolonged clypeus with labrum, ventral view; D, anterior part of body, dorsal view; E, posterior part of body, ventral view; F, posterior part of body, dorsal view.
FIGURE 5. Antennuloniscus ornatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 5. Antennuloniscus ornatus Menzies, 1962, ɗ, K40724, 2.1 mm, Ψ, K40723, 2.2 mm: A, left mandible, Ψ; B, left mandibular palp, ɗ; C, right mandible, Ψ; D, maxilla; E, maxillula.
FIGURE 9. Antennuloniscus armatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 9. Antennuloniscus armatus Menzies, 1962, Ψ, K40725, 2.1 mm: A, anterior part of body, dorsal view; B, posterior part of body, lateral view; C, posterior part of body, dorsal view; D, posterior part of body, ventral view; Ψ, K40725, 2.1 mm: E, anterior part of body, lateral view (antennae dissected); holotype, Ψ, AMNH 11997, 2.3 mm: F, dorsal view; G, posterior part of body, ventral view; Ψ, K40725, 2.1 mm: H, maxilla.
FIGURE 2. Antennuloniscus ornatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 2. Antennuloniscus ornatus Menzies, 1962, ɗ, K40724, 2.1 mm: A, dorsal view; B, lateral view; C, prolonged clypeus with labrum, ventral view; D, anterior part of body, dorsal view; E, posterior part of body, dorsal view; F, posterior part of body, ventral view; G, antennula.
FIGURE 12. Antennuloniscus armatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 12. Antennuloniscus armatus Menzies, 1962, ɗ, K40725, 2.2 mm: A, pereopod 1; B, pereopod 2; C, pereopod 3; D, pereopod 4; E, pereopod 5; F, pereopod 6; G, pereopod 7.
FIGURE 15. Antennuloniscus latoperculus n in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 15. Antennuloniscus latoperculus n. sp., paratype Ψ, K40729, 1.8 mm: A, antenna; B, antenna, article 3, dorsal tooth, lateral view; C, antennula; D, left mandible; E, right mandible.
FIGURE 7. Antennuloniscus ornatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 7. Antennuloniscus ornatus Menzies, 1962, ɗ, K40724, 2.1 mm: A, pleopod 2; B, pleopod 1; holotype, ɗ, AMNH 12004, 2.0 mm: C, pleopod 1; Ψ, K40723, 2.2 mm: D, operculum; ɗ, K40724, 2.1 mm: E, pleopod 3; F, pleopod 4; G, pleopod 5.
FIGURE 1 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 1. Fronteroventral view of head: A, Antennuloniscus ornatus Menzies, 1962, ɗ, K 40723, 2.1 mm; B, Antennuloniscus armatus Menzies, 1962, ɗ, K40725, 2.2 mm; C, Antennuloniscus latoperculus n. sp., Ψ, holotype, K40727, 1.6 mm.
FIGURE 4. Antennuloniscus ornatus Menzies, 1962 in Three species of the isopod crustacean genus Antennuloniscus Menzies, 1962 (Asellota: Haploniscidae) from the Southern Ocean
FIGURE 4. Antennuloniscus ornatus Menzies, 1962,, K40724, 2.1 mm,, K40723, 2.2 mm: A, antenna, ɗ; B, antenna, ɗ, article 3 tooth, lateral view; C, antenna, Ψ; D, right maxilliped, ventral view; E, distal margin and retinacula of left maxilliped, dorsal view.
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