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1,198 results for “Crustaceans”
Fig. 2. Crustacean trace fossil Spongeliomorpha iberica Saporta, 1887 in Paleobiology of the crustacean trace fossil Spongeliomorpha iberica in the Miocene of southeastern Spain
Fig. 2. Crustacean trace fossil Spongeliomorpha iberica Saporta, 1887 from the Miocene of La Muela de Maraón, Spain. A, B. Field sketches of burrow systems as seen in the sole of the limestone units. C. Sole of a limestone unit displaying a high density of burrows. D. Burrows penetrating into the underlying marls.
Fig. 3. Crustacean trace fossil Spongeliomorpha iberica Saporta, 1887 in Paleobiology of the crustacean trace fossil Spongeliomorpha iberica in the Miocene of southeastern Spain
Fig. 3. Crustacean trace fossil Spongeliomorpha iberica Saporta, 1887 from the Miocene of La Muela de Maraón, Spain. A. Field photograph showing a typical burrow termination with multiple acuminate blind tunnels. B. Tunnel displaying the characteristic rhomboidal bioglyph and an enlargement or alcove (UB−IC522). C. Specimen with a "Y"−branching point (UB−IC533). D. Burrow with strongly marked rhomboidal bioglyphs and less impressed transverse scratch marks in the lower part (UB−IC530). E. Specimen with thick Y−shaped and thin transverse bioglyphs (UUIC−2089)). F. Plasticine cast of a burrow displaying how the rhomboidal bioglyph is constituted by "Y"−shaped individual marks (UB−IC194. G. Detail of a burrow termination with two blind tunnels and exhibiting both types of scratch marks (UB−IC520).
Fig. 1 in Paleobiology of the crustacean trace fossil Spongeliomorpha iberica in the Miocene of southeastern Spain
Fig. 1. Geological setting of the study area. A. Geological map of the Betic Cordillera, modified from Sanz de Galdeano and Vera (1992). B. Geological map of the Muela de Maraón sector, modified from Jerez Mir et al. (1974) and Loiseau et al. (1990).
Linked collectors and determiners for: The crustaceans collection (IU) of the Muséum national d'Histoire naturelle (MNHN - Paris).
Natural history specimen data linked to collectors and determiners held within, "The crustaceans collection (IU) of the Muséum national d'Histoire naturelle (MNHN - Paris)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/da6a07ed-9eee-460d-9448-910f542c1a7b">https://bionomia.net/dataset/da6a07ed-9eee-460d-9448-910f542c1a7b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/da6a07ed-9eee-460d-9448-910f542c1a7b">https://gbif.org/dataset/da6a07ed-9eee-460d-9448-910f542c1a7b</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Crustacean Collection of the Science Museum, University of Coimbra, Portugal.
Natural history specimen data linked to collectors and determiners held within, "Crustacean Collection of the Science Museum, University of Coimbra, Portugal". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/5832a560-b88c-40ba-803b-a126da41aa2f">https://bionomia.net/dataset/5832a560-b88c-40ba-803b-a126da41aa2f</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/5832a560-b88c-40ba-803b-a126da41aa2f">https://gbif.org/dataset/5832a560-b88c-40ba-803b-a126da41aa2f</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: DecASO: Decapod Crustaceans of the Southwestern Atlantic Ocean.
Natural history specimen data linked to collectors and determiners held within, "DecASO: Decapod Crustaceans of the Southwestern Atlantic Ocean". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/2276fa28-814c-4d9d-b620-7b13d5ea99eb">https://bionomia.net/dataset/2276fa28-814c-4d9d-b620-7b13d5ea99eb</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/2276fa28-814c-4d9d-b620-7b13d5ea99eb">https://gbif.org/dataset/2276fa28-814c-4d9d-b620-7b13d5ea99eb</a>. Formatted as a Frictionless Data package.
Figure 3 in Revising the definition of the crustacean seta and setal classification systems based on examinations of the mouthpart setae of seven species of decapods
Figure 3. Ultrastructure of the projections on the mouthparts. A, cross-section of the basal part of type I projection, which is circular in cross-sectional shape. The lumen is filled with semicircular sheath cells. Arrow indicates bundle of sensory cilia. B, close-up of semicircular sheath cells (arrow) in the basal part of a type I projection encircling the sensory cilia. C, cross-section of the basal part of a type II projection. Arrow indicates semicircular sheath cells. D, oblique section of a type IV projection, note no lumen or sheath cells. Arrowhead indicates articulation. E, cross-section of the basal part of a type IV projection showing flattened shape and no lumen. F, oblique and cross-section of setules from a pappose seta. Arrowheads indicate cross-sections, arrow indicates the articulation with the cuticle of the setal shaft. G, cross-section of setules and denticles from the distal part of a serrate seta. Arrow indicates lumen of seta. Abbreviations: D, denticle; Ge Cu, general cuticle; S, setule; Se Cu, cuticle of seta; SC, sensory cilium.
Figure 1 in Revising the definition of the crustacean seta and setal classification systems based on examinations of the mouthpart setae of seven species of decapods
Figure 1. Mouth apparatus of Cherax quadricarinatus. A, line drawing of the head region giving a medial view of the left side of the mouth apparatus. Striated area indicates sectioned tissue. Position of mouthparts resembles the live animal when not eating. B, labrum seen ventrally. Ch. quadricarinatus is the only species with setae on the labrum. C, left mandible seen dorso-laterally. All species have a heavy setation on the mandibular palp with the major part on the distalmost segment. D, left maxilla 1 seen dorsally. Most setae are found on the medial rim. E, left maxilla 2 seen dorsally. The scaphognathite has a setal rim but most of the other setae are found on the medial edge of the basis and coxa. (F) left maxilliped 1 seen dorsally. Most setae are found on the exopod and the medial rim of the basis and coxa. (G) left maxilliped 2 seen dorsally. Most setae are on the medial side of the endopod and on the exopod. (H) left maxilliped 3 seen dorsollay. The medial side of the endopod has heavy setation. Abbreviations Bas, basis; Cox, coxa; Endo, endopod; Epi, epipod; Exo, exopod; IP, incisor process; Lb, labrum; Mdp, mandibular palp; MP, molar process; Mx1, maxilla 1; Mx2, maxilla 2; Mxp1, maxilliped 1; Mxp2, maxilliped 2; Mxp3, maxilliped 3; Scapho, scaphognathite.
Figure 5. Hexabathynella sevillaensis n in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 5. Hexabathynella sevillaensis n. sp., male. (A) Antennule (dorsal view); (B) antenna (dorsal view); (C) labrum; (D) mandible (lateral view); (E) maxillule (lateral view); (F) maxilla (lateral view); (G) thoracopod 1; (H) thoracopod 8 male (latero-external view); (I) thoracopod 8 male (frontal view); (J) thoracopod 8 male (latero-internal view); (K) thoracopod 8 female (ventro-lateral view); (L) pleopod female (ventro-lateral view). Scale bars in mm.
Figure 3 in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 3. Iberobathynella (Asturibathynella) cornejoensis n. sp., male. (A) Antennule; (B) labrum; (C) mandible; (D) maxillule; (E) maxilla; (F) thoracopod 8 female (dorsal view); (G) thoracopod 8 male (latero-external view); (H) thoracopod 8 male (latero-internal view); (I) thoracopod 8 male (internal view). Scale bars in mm.
Figure 4 in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 4. Iberobathynella (Asturibathynella) cornejoensis n. sp., male. (A) Thoracopod 1; (B) thoracopod 2; (C) thoracopod 3; (D) thoracopod 4; (E) thoracopod 5; (F) thoracopod 6; (G) thoracopod 7; (H) pleotelson and furca (dorsal view); (I) uropod (latero-internal view). Scale bar in mm.
Figure 1 in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 1. Iberobathynella (Asturibathynella) lamasonensis n. sp., male. (A) Antennule (dorsal view); (B) antenna (ventral view); (C) labrum; (D) mandible; (E) maxillule; (F) maxilla; (G) thoracopod 8 male (latero-internal view); (H) thoracopod 8 male (latero-external view); (I) thoracopod 8 female (ventral view). Scale bars in mm.
Figure 2 in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 2. Iberobathynella (Asturibathynella) lamasonensis n. sp., male. (A) Thoracopod 1; (B) thoracopod 2; (C) thoracopod 3; (D) thoracopod 4; (E) thoracopod 5; (F) thoracopod 6; (G) thoracopod 7; (H) pleotelson and furca (dorsal view); (I) uropod (latero-internal view). Scale bar in mm.
Figure 6. Hexabathynella sevillaensis n in Expanding the taxonomic conundrum: Three new species of groundwater crustacean (Syncarida, Bathynellacea, Parabathynellidae) endemic to the Iberian Peninsula
Figure 6. Hexabathynella sevillaensis n. sp. male. (A) Thoracopod 2; (B) thoracopod 3; (C) thoracopod 4; (D) thoracopod 5; (E) thoracopod 6; (F) thoracopod 8 male and pleopod (dorsal view); (G) pleotelson and furca (dorsal view); (H) pleotelson and furca female (lateral view); (I) uropod (latero-internal view). Scale bars in mm.
Figure 5 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Figure 5. Jesogammarus (Annanogammarus) debilis sp. nov., female. (A) Gnathopod 1; (B) gnathopod 2; (C) propodus of gnathopod 1; (D) propodus of gnathopod 2; (E) dactylus of gnathopod 1; (F) dactylus of gnathopod 2; (G) basis of gnathopod 1; (H) basis of gnathopod 1; (I) basis of gnathopod 2; (J) basis of pereopod 3.
Figure 4 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Figure 4. Jesogammarus (Annanogammarus) debilis sp. nov. (A–G) Male; (H–L) female. (A) Pereonite 6; (B) pereonite 7; (C) pleonite 3; (D) pleonite 2; (E) pleonite 1; (F) urosomites 1–3; (G) telson; (H) oostegite 2; (I) oostegite 3; (J) oostegite 4; (K) oostegite 5; (L) telson.
Figure 1 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Figure 1. Jesogammarus (Annanogammarus) debilis sp. nov., holotype, male. (A) Head; (B) antenna 1; (C) antenna 2; (D) flagellum of antenna 1; (E) flagellum of antenna 2; (F) upper lip; (G) incisor of left mandible; (H) palp of left mandible; (I) lower lip; (J) left maxilla 1; (K) palp of right maxilla 1; (L) maxilla 2; (M) maxilliped; (N) outer plate of maxilla 1; (O) incisor of right mandible; (P) inner surface of palp of left mandible.
Figure 3 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Figure 3. Jesogammarus (Annanogammarus) debilis sp. nov., holotype, male. (A) Pereopod 3; (B) pereopod 4; (C) pereopod 5; (D) pereopod 6; (E) pereopod 7; (F) pleopod 1; (G) pleopod 2; (H) pleopod 3; (I) dactylus of pereopod 5; (J) dactylus of pereopod 3; (K) uropod 1; (L) uropod 2; (M) uropod 3.
Map 1 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Map 1. Distribution of freshwater amphipods from Beijing. Pentangle, Centre of Beijing (Tian'anmen Square); triangle, Gammarus electrus; circle, G. lacustris; diamond, G. nekkensis; pentagon, Procrangonyx limpidus; concentric circle, Platorchestia japonica; flag, Jesogammarus (J.) hebeiensis; half-filled square, J. (A.) debilis sp. nov.
Figure 6 in Amphipod crustaceans (Gammaridea) from Beijing, P. R. China
Figure 6. Jesogammarus (Annanogammarus) debilis sp. nov., female. (A) Pereopod 3; (B) pereopod 4; (C) pereopod 5; (D) pereopod 6; (E) pereopod 7; (F) uropod 1; (G) uropod 2; (H) uropod 3; (I) inner surface of basis of pereopod 7.
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Allen Brain Atlas
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