Find research datasets worth reusing

Fig. 5 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 5. Akrophryxus acinaces sp. nov., paratype cryptoniscus larva (A–J; SMBL-V0651), SEM. A, Ventral view; B, lateral view; C, ventral view of cephalon showing antennules, mouthparts and first pereopods; D, right pereopod 2; E, left pereopod 3; F, right pereopod 4; G, right pereopods 5–7; H, lateral view of pereomeres 6 and 7 showing distinct notch and indentation; I, multifid setae of left pereopod 4; J, multifid setae of left pereopod 7; K, posterior end, ventral view. Scale bars: 100 µm (A, B); 50 µm (C, K); 30 µm (D–F); 20 µm (G); 10 µm (H–J).

Fig. 1 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 1. Akrophryxus acinaces sp. nov., holotype (SMBL-V0649) and paratype (SMBL-V0652) females, attached to the right and left antennules of host, Pycnoplax surugensis (Rathbun, 1932), respectively; images taken while alive. A, Dorsal view; B, en-face view; C, close-up of paratype on left antennule; D, posterior view of holotype attached to host antennule; E, lateral view of holotype, removed from host; F, posterior view of holotype, removed from host. Scale bars: 3 mm (A, B); 1 mm (C–F).

Fig. 9 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 9. Chimaeroniscus spheramator gen. et sp. nov., holotype cryptoniscus larva, ZRC 2022.0003. A, Dorsal view (specimen broken across pleomere 2); B, right antennule; C, left antenna; D, left pereopod 1; E, left pereopod 3; F, left pereopod 7; G, terminal pleomere, dorsal view; H, left uropod, dorsal view; I, left pleopod 2. Scale bars: 200 µm (A); 50 µm (B–I).

Fig. 8 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 8. Akrophryxus pallipalicus sp. nov., allotype male (A–D), ZRC 2022.0002. A, Dorsal view; B, dorsal view; antenna; C, left antennule (A1), antenna (A2), and pereopod 1; D, right pereopod 6. Scale bars: 100 µm (A, B); 50 µm (C, D).

Fig. 3 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 3. Akrophryxus acinaces sp. nov., paratype female (A, B: SMBL-V0652) and holotype female (C-M: SMBL-V0649). A, View of pereopods clutching host antennule (pereopods 1 and 5 labeled); B, view of pereopods, mouth (Mo), antenna (An), and oostegite 1 (O1); C, left pereopods 2–5, labeled with numbers; D, left pereopod 1, insets show scales and setae of pereopod 1; E, lateral view of left antenna; F, dorsal view of left antenna; G, left maxilliped, lateral view, arrow shows digitiform extension inserted in fold of oostegite 1 shown in I; H, left maxilliped, ventral view, arrow shows digitiform extension; I, left oostegite 1, lateral view showing fold where digitiform extension of maxilliped resides; J, left oostegite 1, ventral view; K, left oostegite 2; L, left oostegite 3; M, left oostegite 4. Scale bars: 500 µm (A, B); 250 µm (C–M); 10 µm (D inset).

Fig. 7 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 7. Akrophryxus pallipalicus sp. nov., holotype female, ZRC 2022.0001, attached to antennule of Parapalicus armatus Castro, 2000 (ZRC 2016.0412). A, Lateral view; B, top down view; C, anterior view; D, lateral view of dissected specimen showing host antennule in-situ, circles indicate developing eggs in ovary; E, view of left antenna (An), mouth (Mo), and anterior end of keel (ke); F, left maxilliped, ventral view, arrow shows digitiform extension inserted in fold of oostegite 1 shown in I; G, left maxilliped, lateral view, arrow shows digitiform extension; H, left oostegite 1, lateral view showing fold where digitiform extension of maxilliped resides; I, left oostegite 1, ventral view; J, left pereopod 1 (inset shows scales); K, left pereopod 5. Scale bars: 500 µm (A–D); 1 mm (E); 250 µm (F–I); 50 µm (J, K); 10 µm (J inset).

Fig. 2 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)

Fig. 2. Akrophryxus acinaces sp. nov., holotype female (SMBL-V0649) attached to Pycnoplax surugensis (Rathbun, 1932). A, Posterior view; B, lateral view; C, anterior view (opposite side to that shown in A), host antennule facing viewer; D, top down view; E, lateral view of dissect- ed specimen shown host antennule in-situ (Mo=Mouth), dashed circles show developing eggs in ovary; F, lateral view of dissected specimen with antennule removed, dashed circles show developing eggs in ovary; G, host antennule removed from holotype. Scale bars: 1 mm (A–F).

opennotspecifiedJun 2021View details →

Figure 1 in Parasitic isopods (Crustacea: Dajidae) of euphausiids (Crustacea: Euphausiacea) in the western Caribbean Sea

Figure 1. Areas and zooplankton stations grids in the western Caribbean from which the examined samples were obtained. (a) NOAA oceanographic cruise GG1101. (b) oceanographic cruise GG1001. (c) Zooplankton survey of the northwestern Caribbean. (d) Zooplankton survey of Chinchorro Bank.

opennotspecifiedJun 2021View details →

Figure 3 in Parasitic isopods (Crustacea: Dajidae) of euphausiids (Crustacea: Euphausiacea) in the western Caribbean Sea

Figure 3. Oculophryxus bicaulis, (a) free ovigerous female with dwarf male (arrow), showing its modified curved antennules to grasp the host eye peduncle; (b) ovigerous female with male, attached to Stylocheiron affine eye peduncles; (c) Branchiophryxus koehleri, adult female, detail of anterior part of body, with four pairs of pereopods; (d) B. koehleri, ovigerous female, ventro-lateral view; (e) B. koehleri, female attached to branchial pinnules of S. longicorne.

opennotspecifiedJun 2021View details →

Figure 2 in Parasitic isopods (Crustacea: Dajidae) of euphausiids (Crustacea: Euphausiacea) in the western Caribbean Sea

Figure 2. Heterophryxus appendiculatus, (a) female with epicaridium larvae; (b) same, detail of epicaridium larvae; (c) ovigerous female attached to cephalothorax of Thysanopoda aequalis; (d) juvenile individual, lateral view; (e) female of Oculophryxus bicaulis attached to Stylocheiron affine.

Figure 11 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 11. Holophryxus citriformis sp. nov. Paratype, male: A right pereopod 1 (P1), anterior view; B dactylus of P1, anterior view; C carpus of P1, medial view, showing sensory elements (a-e); D right pereopod 2 (P2), medial view; E dactylus of P2, medial view; F carpus of P2, medial view, showing sensory elements (a-e). Scale bars in μm.

Figure 4 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 4. Holophryxus citriformis sp. nov. Holotype, adult female: A, anterior part of body, showing cephalic and thoracic regions with associated limbs, ventral view; left pereopods and incubatory plate 1 omitted to show position of incubatory plates 2–4 (A1 = antennule, A2 = antenna, CP 1–4 = coxal plates 1–4, CR = cephalic ridge, IP1–5 = incubatory plates 1–5, Md = mandible, P5 = pereopod 5, SP = sternal plate); B, posterior part of body, showing spinous margins of incubatory plates (IP5) and position of anal opening (indicated by arrow).

Figure 15 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 15. Schematic showing general morphology of cephalon in Ho. citriformis (A-C) (Type 1), Ho. quadratahumerale (D-F) (Type 2) and Ho. acanthephyrae (G-I) (Type 3) in ventral (A, D, G), dorsal (B, E, H) and lateral (C, F, I) aspect. CP1–2 = coxal plates 1–2, DP = dorsal prominence, HE = hood-like extension, L = length of ventral cephalic ridge, VCR = ventral cephalic ridge (shaded), W = width of ventral cephalic ridge.

Figure 8 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 8. Holophryxus citriformis sp. nov. Paratype, male: A, habitus, ventral view; B, habitus, lateral view. Scale bar in μm.

Figure 5 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 5. Holophryxus citriformis sp. nov. Holotype, adult female, right pereopod 1: A, whole limb, anterior overview (spinular surface ornamentation omitted; basis (B), carpus (C), dactylus (D), ischiomerus (I), propodus (P); B, detail of distal part of ischiomerus (fused ischium and merus), showing spinular combs on anterior surface; C, medial margin of carpus, showing position of sensory elements, anterior view; D, medial (palmar) margin of propodus and carpus, showing position of sensory elements, posterior view; E, dactylus, posterior view. Scale bars in μm.

Figure 16 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 16. Holophryxus citriformis sp. nov. Holotype, adult female, right pereopod 2; posterior view, showing segmentation and intrinsic musculature (surface ornamentation and sensory structures omitted). Abbreviations: bas. ext. 1–2 = basal extensor muscles 1–2, bas. flex. 1–4 = basal flexor muscles 1–4, isch. ext. = ischiomeral extensor muscle, isch. flex. 1–3 = ischiomeral flexor muscles 1–3, prop. ext. = propodal extensor muscle, prop. flex. 1–2 = propodal flexor muscles 1–2.

Figure 1 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 1. Macrophotographs. Holophryxus citriformis sp. nov. Holotype, adult female: A, habitus, ventral view, live specimen; B, habitus, dorsal view, live specimen; C, habitus, lateral view, preserved specimen; D, eggs recovered after spawning by female; E, live specimen attached to carapace of shrimp host. Hymenodora glacialis: F, dorsal view, showing marks left by parasitic isopod; G, close-up of marks left around attachment site of Ho. citriformis on dorsal surface of host carapace. Scale bars in mm. Except for C, all photographs copyright Alfred-Wegener-Institut/ Stefan Hendricks (CC-BY 4.0). A-B, D-G taken with a Canon EOS 5D Mark III camera with an EF100mm f/2.8L Macro IS USM lens, C with camera mounted on a Leica M125 stereomicroscope.

Figure 3 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 3. Holophryxus citriformis sp. nov. Holotype, adult female: A, habitus outlines of adult female (ventral) and male (dorsal) showing sexual size dimorphism; B, detail of antennules showing dense arrangement of spinular combs on anterior surface; C, ventral view of cephalic region showing position of left antennule (A1) and antenna (A2), right mandible (Md), labrum (Lb), labium (Lm) and sternal plate (SP); D, close-up of oral area showing distal margins of labrum and labium, and gnathobase of right mandible; E, left mandible (basal part omitted). Scale bars in μm unless indicated otherwise.

Figure 2 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 2. Holophryxus citriformis sp. nov. Holotype, adult female, CLSM, ventral view: A, anterior part of body showing cephalic ridge and pereopods (including coxal plates), collectively forming attachment device; B, anterior part of cephalon, antennules (A1) and mandibles; C, close-up of antennules (A1) and mandibles (Md); D, abdomen; E, pereopod 3. Scale bars in μm.

Figure 14 in Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods

Figure 14. Holophryxus citriformis sp. nov. Paratype, male: A, right pereopod 7 (P7), posterior view; B, dactylus of P7, posterior view; C, carpus of P7, showing sensory elements (a-d), posterior view; D, posterior margin of abdomen, ventral view; anal opening indicated by arrow. Scale bars in μm.