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105 results for “Leptalpheus”
FIGURE 6. Leptalpheus forceps Williams, 1965 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 6. Leptalpheus forceps Williams, 1965 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A) ♂ specimen (CL=4.54 mm; TL=11.42 mm); (B) ♂ specimen (CL=2.4 mm; TL=6.28 mm); (C) ♂ specimen (CL= 3.18 mm; TL=8.36 mm); (D) ♂ specimen (CL=3.54 mm; TL=10.04 mm): (A–D) major cheliped, details of chela fingers, lateral view. Scale bars=0.5 mm.
FIGURE 2. Leptalpheus forceps Williams, 1965 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 2. Leptalpheus forceps Williams, 1965 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A) ♂ specimen (CL= 5.74 mm; TL= 13.98 mm) in lateral view. (B) ♂ specimen (CL= 4.52 mm; TL= 12.24 mm) in dorsal view. (C) ovigerous ♀ specimen (CL= 4.86 mm; TL= 13.74 mm) in lateral view. Specimens and colour patterns as in life.
FIGURE 10. Leptalpheus marginalis Anker, 2011 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 10. Leptalpheus marginalis Anker, 2011 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A–H) ♂ specimen (CL=4.3 mm; TL=11.2 mm): (A) major cheliped, mesial view; (B) same, lateral view; (C) major cheliped, details of chela fingers, mesial view; (D) same, lateral view; (E) minor cheliped, mesial view; (F) same, lateral view; (G) minor cheliped, carpus, and chela, ventromesial view; (H) telson, dorsal view. Scale bars=1 mm.
FIGURE 9. Leptalpheus marginalis Anker, 2011 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 9. Leptalpheus marginalis Anker, 2011 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A, C) ♂ specimen (CL=4.3 mm; TL=11.2 mm); (B, D) ♂ specimen (CL=3.5 mm; TL=9.5 mm): (A) frontal region of the carapace and frontal appendages, dorsal view; (B) frontal region of the carapace, dorsal view; (C) frontal region of the carapace and frontal appendages, lateral view; (D) frontal region of the carapace, lateral view. Scale bars=1 mm.
FIGURE 7 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 7. Frequency distribution (%) of the classes of carapace length (CL) and total body length (TL) of the male and female (non-ovigerous and egg-bearing) specimens of the alpheid shrimp, Leptalpheus forceps Williams, 1965, collected from the burrows of the callichirid "ghost" shrimp, Lepidophthalmus siriboia Felder & Rodrigues, 1993, on the Ajuruteua Peninsula, state of Pará, Amazon region, Brazil.
FIGURE 5. Leptalpheus forceps Williams, 1965 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 5. Leptalpheus forceps Williams, 1965 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A) ♂ specimen (CL=4.54 mm; TL= 11.42 mm); (B) ♂ specimen (CL=2.4 mm; TL=6.28 mm); (C) ♂ specimen (CL=3.18 mm; TL=8.36 mm); (D) ♂ specimen (CL=3.54 mm; TL=10.04 mm): (A–D) major cheliped, details of chela fingers, mesial view. Scale bars=0.5 mm.
FIGURE 1 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil
FIGURE 1. (A) The Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (●) Locations at which the alpheid shrimps, Leptalpheus forceps Williams, 1965 and Leptalpheus marginalis Anker, 2011, were collected; (B) Muddy-sandy intertidal habitat located on the Ajuruteua Peninsula where the specimens of alpheid shrimps were collected from callichirid burrows; (C) the burrowing "ghost" shrimp, Lepidophthalmus siriboia Felder & Rodrigues, 1993 (Callichiridae) (♂ specimen; CL=14.41 mm, TL=48.95 mm; dorsal view), the host species of the two Leptalpheus species collected on the Ajuruteua Peninsula. Photographs by D. J. B. Simith.
FIGURE 5 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 5. Leptalpheus corderoae sp. nov. male holotype (EMU-10050). A, second pereiopod, lateral view; B, third pereiopod, lateral view; C, fourth pereiopod, lateral view; D, fifth pereiopod, lateral view. Scale bars = 1 mm.
FIGURE 7. Leptalpheus hendrickxi Anker, 2011 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 7. Leptalpheus hendrickxi Anker, 2011 (A, C, D, E, EMU-10054; B, LEMA-CR 57). A, B, anterior part of carapace and appendages, dorsal view; C, major cheliped, lateral view; D, minor cheliped, lateral view. Scale bars = 1 mm.
FIGURE 6 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 6. Leptalpheus mexicanus Ríos & Carvacho, 1983, female (A–D, EMU-8784). A, anterior part of carapace and appendages, dorsal view; B, anterior part of carapace, lateral view; C, major cheliped, lateral view; D, right uropod and telson. Leptalpheus mexicanus Ríos & Carvacho, 1983 (E–F, CNCR-2506); E, female holotype, anterior part of carapace, lateral view; F, male allotype, anterior part of carapace, lateral view. Scale bars = 1 mm.
FIGURE 4 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 4. Leptalpheus corderoae sp. nov. male holotype (EMU-10050). A, major cheliped, mesial view; B, same, tip, lateral view; C, same, fingers, mesial view; D, minor cheliped, lateral view; E, minor chela, lateral view. Scale bars = 1 mm.
FIGURE 2 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 2. Leptalpheus corderoae sp. nov., male holotype (EMU-10050). A, anterior part of carapace and appendages, dorsal view; B, antennula, lateral view; C, ventromesial carina of antennular peduncle, lateral view; D, scaphocerite, dorsal view; E, second pleopod, ventral view; F, detail of appendices masculina and interna; G, left uropod, dorsal view; H, telson, dorsal view. Scale bars all = 1 mm, except F = 0.2 mm.
FIGURE 3 in A new species of Leptalpheus Williams, 1965 and new records of L. mexicanus Ríos & Carvacho, 1983 and L. hendrickxi Anker, 2011 (Crustacea: Decapoda: Alpheidae) from the Pacific coast of Mexico
FIGURE 3. Leptalpheus corderoae sp. nov. male holotype (EMU-10050). A, maxillule; B, maxilla; C, first maxilliped; D, second maxilliped; E, third maxilliped, Scale bar =1 mm.
FIGURE 1 in Leptalpheus pereirai sp. nov., a new alpheid shrimp from Panama and Venezuela (Decapoda: Caridea)
FIGURE 1. Leptalpheus pereirai sp. nov., holotype, male (cl 7.2 mm), from Bocas del Toro, Panama (MZUSP 34067): a, frontal region, dorsal view; b, same, lateral view; c, sixth pleomere, lateral view; d, telson, dorsal view; e, tooth on ventromesial carina of first article of antennular peduncle, lateral view; f, proximal portion of antennular flagella, lateral view; g, third maxilliped, lateral view; h, appendices masculina and interna of second pleopod, mesial view; i, uropod, dorsal view.
FIGURE 3 in Leptalpheus pereirai sp. nov., a new alpheid shrimp from Panama and Venezuela (Decapoda: Caridea)
FIGURE 3. Leptalpheus pereirai sp. nov., holotype, male (cl 7.2 mm), from Bocas del Toro, Panama (MZUSP 34067): a, minor (left) cheliped, lateral view; b, same, chela, lateral view; c, same, chela fingers (open); d, second pereiopod, lateral view; e, third pereiopod, lateral view; f, fourth pereiopod, latreral view; g, fifth pereiopod, lateral view; h, same, distal portion of propodus and dactylus, mesial view.
FIGURE 4 in Leptalpheus pereirai sp. nov., a new alpheid shrimp from Panama and Venezuela (Decapoda: Caridea)
FIGURE 4. Leptalpheus pereirai sp. nov., holotype, male (cl 7.2 mm), from Bocas del Toro, Panama (MZUSP 34067): live shrimp in lateral view.
FIGURE 2 in Leptalpheus pereirai sp. nov., a new alpheid shrimp from Panama and Venezuela (Decapoda: Caridea)
FIGURE 2. Leptalpheus pereirai sp. nov., holotype, male (cl 7.2 mm), from Bocas del Toro, Panama (MZUSP 34067): a, major (right) cheliped, lateral view; b, same, mesial view; c, same, chela, mesial view; d, same, chela fingers, lateral view; e, detail of tooth on cutting edge of dactylus, lateral view.
FIGURE 27 in Six new species and three new records of infaunal alpheid shrimps from the genera Leptalpheus Williams, 1965 and Fenneralpheus Felder & Manning, 1986 (Crustacea, Decapoda)
FIGURE 27. Fenneralpheus orabovis sp. nov., paratype, ovigerous female from Bocas del Toro, Caribbean coast of Panama (RMNH D54557): A, dorsal view; B, lateral view.
FIGURE 26 in Six new species and three new records of infaunal alpheid shrimps from the genera Leptalpheus Williams, 1965 and Fenneralpheus Felder & Manning, 1986 (Crustacea, Decapoda)
FIGURE 26. Fenneralpheus orabovis sp. nov.: all except H—paratype, ovigerous female from Bocas del Toro, Caribbean coast of Panama (RMNH D54557); H—holotype, male from the same locality (MNHN-IU-2011-5237): A, minor cheliped, lateral view; B, same, distal merus and carpus, lateral view; C, same, carpus and chela, mesial view; D, second pereiopod, lateral view; E, third pereiopod of paratype, lateral view; F, same, distal carpus, propodus and dactylus, lateral view; G, same, dactylus, mesial view; H, ischium of third pereiopod of holotype, lateral view; J, fifth pereiopod, lateral view; K, same, distal propodus, lateral view.
FIGURE 20 in Six new species and three new records of infaunal alpheid shrimps from the genera Leptalpheus Williams, 1965 and Fenneralpheus Felder & Manning, 1986 (Crustacea, Decapoda)
FIGURE 20. Fenneralpheus chacei Felder & Manning, 1986, female from Bocas del Toro, Caribbean coast of Panama (OUMNH.ZC. 2011-06-019): A, frontal region, dorsal view; B, same, lateral view; C, telson, dorsal view; D, ventromesial tooth on first article of antennular peduncle, lateral view; E, scaphocerite, dorsal view; F, minor cheliped, lateral view; G, same, chela, lateral view; H, same, detail of cutting edge of dactylus; I, second pereiopod, lateral view; J, third pereiopod, lateral view; K, uropod, dorsal view (setae omitted).
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