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40 results for “Alacran”
Fig. 16. Alacran tartarus Francke, 1982 in Systematic Revision Of The Troglomorphic North American Scorpion Family Typhlochactidae (Scorpiones: Chactoidea)
Fig. 16. Alacran tartarus Francke, 1982, ♀ (WDS), sinistral pedipalp femur (A) and patella (B–D) showing carinae and distribution of trichobothria. A, B. Dorsal aspect. C. External aspect. D. Ventral aspect. Scales 5 1 mm.
Fig. 11. Alacran tartarus Francke, 1982 in Systematic Revision Of The Troglomorphic North American Scorpion Family Typhlochactidae (Scorpiones: Chactoidea)
Fig. 11. Alacran tartarus Francke, 1982, paratype ³ (AMNH), metasoma and telson, lateral aspect. Scale 5 5 mm.
Fig. 13. Alacran tartarus Francke, 1982 in Systematic Revision Of The Troglomorphic North American Scorpion Family Typhlochactidae (Scorpiones: Chactoidea)
Fig. 13. Alacran tartarus Francke, 1982, ♀ (AMNH), habitus. A. Dorsal aspect. B. Ventral aspect. Scale 5 1 cm.
Fig. 15. Alacran tartarus Francke, 1982 in Systematic Revision Of The Troglomorphic North American Scorpion Family Typhlochactidae (Scorpiones: Chactoidea)
Fig. 15. Alacran tartarus Francke, 1982, sinistral pedipalp chela showing carinae and distribution of trichobothria. A. Paratype ³ (AMNH). B–D.
Fig. 14. Alacran tartarus Francke, 1982 in Systematic Revision Of The Troglomorphic North American Scorpion Family Typhlochactidae (Scorpiones: Chactoidea)
Fig. 14. Alacran tartarus Francke, 1982, juv. ³ paratype (AMNH), habitus. A. Dorsal aspect. B. Ventral aspect. Scale 5 1 cm.
Interacciones de invertebrados marinos de los Bajos del Norte y Parque Nacional Arrecife Alacranes: Expediciones OCEANA 2021
<p>Esp: Este conjunto de datos contiene información sobre las interacciones biológicas registradas durante la expedición realizada en los arrecifes Bajos del Norte, Banco de Campeche, Golfo de México, en agosto de 2021 por OCEANA México.</p> <p>Eng: This data set contains information on the biological interactions recorded during the expedition carried out in the Bajos del Norte reefs, Banco de Campeche, Gulf of Mexico, in August 2021 by OCEANA Mexico</p>
FIGURES 12–13 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 12–13. Dorsal view of left pedipalp chela. 12. Holotype female of Alacran chamuco, sp. nov. 13. Adult female Alacran tartarus Francke.
FIGURES 2–4 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 2–4. Holotype female of Alacran chamuco, sp. nov. 2. Dorsal aspect of prosoma. 3. Ventral aspect of prosoma + metasoma. 4. Detail of right pectinal tooth (scales = 1mm).
FIGURES 5–6. Metasomal segment V and telson. 5 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 5–6. Metasomal segment V and telson. 5. Holotype female of Alacran chamuco, sp. nov. 6. Adult female of Alacran tartarus Francke (scale = 1mm).
FIGURES 9–11 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 9–11. Trichobothrial pattern on external aspect of pedipalp patella. 9. Holotype female of Alacran chamuco, sp. nov., left patella with 21 external trichobothria; trichobothrium not present on the right patella is highlighted in black; relative positions of the 3 ventral trichobothria also indicated. 10. Holotype female of Alacran chamuco, sp. nov., right patella with 20 external trichobothria. 11. Composite illustration, prepared directly from the camera lucida (by drawing one pattern directly over the other), showing the trichobothrial patterns on external aspect of the pedipalp patella of the holotype female of Alacran chamuco sp. nov. (circles), and an adult female Alacran tartarus Francke (crosses) (scale = 1mm).
FIGURE 1 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURE 1. Map of the state of Oaxaca, Mexico, indicating the known distributions for the troglobitic Alacran chamuco, sp. nov. (circle), and Alacran tartarus Francke (triangle).
FIGURES 16–19 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 16–19. Dentition on pedipalp chela fingers. 16, 18. Holotype female of Alacran chamuco, sp. nov. 17, 19. Adult female Alacran tartarus Francke. 16, 17. Fixed finger. 18, 19. Movable finger (scale = 1mm).
FIGURES 14–15 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 14–15. External view of left pedipalp chela. 14. Holotype female of Alacran chamuco, sp. nov. 15. Adult female Alacran tartarus Francke (scale = 1mm).
FIGURES 7–8 in A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
FIGURES 7–8. Holotype female of Alacran chamuco, sp. nov. 7. Dorsal view of right pedipalp femur. 8. Dorsal view of right pedipalp patella (scale = 1mm).
FIGURE 9. Triacanthoneus alacranes n. gen., n in A new genus and three new species of alpheid shrimps (Crustacea, Decapoda, Caridea) from the tropical American coasts
FIGURE 9. Triacanthoneus alacranes n. gen., n. sp., holotype, ovigerous female (CL 3.7 mm) from Alacranes Reef, Yucatán, Mexico, UNAM-CNCR 26177: A, left (major) cheliped, lateral; B, same, carpus and chela, mesial; C, same, chela fingers; D, right (minor) cheliped, lateral; E, same, chela, mesial; F, second pereiopod, lateral; G, third pereiopod, lateral; H, same, distal propodus and dactylus; I, fifth pereiopod, lateral; J, same, distal propodus and dactylus, mesial.
FIGURE 8. Triacanthoneus alacranes n. gen., n in A new genus and three new species of alpheid shrimps (Crustacea, Decapoda, Caridea) from the tropical American coasts
FIGURE 8. Triacanthoneus alacranes n. gen., n. sp., holotype, ovigerous female (CL 3.7 mm) from Alacranes Reef, Yucatán, Mexico, UNAM-CNCR 26177: A, frontal region, dorsal; B, carapace and frontal appendages, lateral; C, carapace, dorsal; D, post-hepatic tooth of carapace, lateral; E, mediodorsal tooth of carapace, lateral; F, distal rostrum, lateral; G, third maxilliped, lateral; H, same, tip of ultimate segment; I, second pleopod, appendix masculina and appendix interna; J, uropod, dorsal; K, same, posterior region of exopod; L, telson, dorsal; M, same, posterior region.
FIGURE 7. Triacanthoneus alacranes n. gen., n in A new genus and three new species of alpheid shrimps (Crustacea, Decapoda, Caridea) from the tropical American coasts
FIGURE 7. Triacanthoneus alacranes n. gen., n. sp., holotype, ovigerous female (CL 3.7 mm) from Alacranes Reef, Yucatán, Mexico, UNAM-CNCR 26177: habitus, lateral.
FIGURE 3. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 3. Nereis alacranensis n. sp. (Paratype). (A) Peristomium, ventral view. (B) Close-up of the peristomial ventral plate, on external side of peristomium. Nereis baolingi de León-González & Solís-Weiss, 2000 (Paratype). (C) Homogomph falciger. (D) Anterior end, dorsal view. (E) Anterior end, ventral view. (F) Jaws. Scale: A = 200 µm; B = 20 µm; C = 15 µm; D–E = 1 mm; F = 0.5 mm.
FIGURE 2. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 2. Nereis alacranensis n. sp. (A) Anterior end, dorsal view. (B) Anterior end, ventral view (arrow shows the peristomial ventral plate, arc shaped). (C) Notochaetae, homogomph spinigers. (D) Parapodia 1–2. (E) and (F) Homogomph falcigers. (G) Parapodium 10. (H) Neurochaetae, dorsal heterogomph falcigers. (I) Ventral heterogomph falcigers. (A, B, F: Holotype; C, D, E, G, H, I: Paratype. Scale: A–B = 0.7 mm; C = 40 µm; D,G = 100 µm; E,F,H,I = 10 µm.
FIGURE 1. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 1. Nereis alacranensis n. sp. (Holotype). (A) Anterior end, dorsal view. (B) Anterior end, ventral view (arrow shows the peristomial ventral plate, arc shaped). (C) Pygidium. (D) Parapodium 1. (E) Parapodium 10. (F) Parapodium 25. (G) Parapodium 50. Scale: A–B = 0.8 mm; C = 1 mm; D = 0.6 mm; E = 0.8 mm; F–G = 0.5 mm.
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