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679 results for “Crayfishes”
FIGURE 10. Typical habitat for Faxonius elix n in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin
FIGURE 10. Typical habitat for Faxonius elix n. sp. throughout its range with signs of anthropogenic alternation.
FIGURE 3 in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin
FIGURE 3. Results of principle components analysis of standardized measurements of Faxonius elix n. sp. and Faxonius jeffersoni. Triangles represent F. jeffersoni. Circles represent F. elix n. sp. Polygons were constructed based on 95% confidence intervals.
FIGURE 1 in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin
FIGURE 1. Field surveys undertaken to collect individuals for genetic and morphometric analysis. Crosses represent localities where Faxonius elix was detected. Circles represent areas where F. jeffersoni was detected. Stars represent localities where F. ronaldi was detected. Triangles represent areas where F. illinoiensis was detected.
FIGURE 9. Type locality for Faxonius elix n in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin
FIGURE 9. Type locality for Faxonius elix n. sp., Fern Creek at Feganbush Lane (Kentucky Highway 864) crossing, Jefferson County, Kentucky (38.160374o N, -85.639214o W. Photograph taken on November 19, 2018.
FIGURE 5 in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin
FIGURE 5. Preglacial drainages and glacial maximum of the Wisconsin, Illinois, and Pre-Illinois glaciation events. Areas shaded by diagonal lines indicate the approximate extent of glacial Lake Tight. Map modified from Taylor and Niemiller, 2016.
Supplementary material 1 from: McCormack R (2014) The eastern swamp crayfish Gramastacus lacus sp. n. (Decapoda, Parastacidae) a new species of freshwater crayfish from coastal New South Wales, Australia. ZooKeys 398: 53-67. https://doi.org/10.3897/zookeys.398.7544
Gramastacus lacus specimen data.: Explanation note: Specimen record with locality details for known populations of the eastern swamp crayfish Gramastacus lacus sp. n., in coastal New South Wales.
FIGURE 6. A in Cherax acherontis (Decapoda: Parastacidae), the first cave crayfish from the Southern Hemisphere (Papua Province, Indonesia)
FIGURE 6. A, Hagepma entrance into the cave; B, wood debris in the river in the cave; C, dripstone decoration in the cave.
FIGURE 5 in Cherax acherontis (Decapoda: Parastacidae), the first cave crayfish from the Southern Hemisphere (Papua Province, Indonesia)
FIGURE 5. Map of Papua Province, Indonesia. The position of the cave near city of Wamena indicated by red triangle. The photo shows a typical terrain in the vicinity of the cave.
FIGURE 3. Cherax acherontis n in Cherax acherontis (Decapoda: Parastacidae), the first cave crayfish from the Southern Hemisphere (Papua Province, Indonesia)
FIGURE 3. Cherax acherontis n. sp., from holotype. A, lateral view of carapace; B, dorsal view of carapace; C, ventral view of right chela; D, dorsal view of right chela; E, epistome; F, dorsal view of right scaphocerite; G, third maxilliped.
FIGURE 5 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 5. Photo of the type locality of Faxonius roberti, new species, taken on the mainstem of the Spring River, 135 meters upstream of the Bayou Access boat ramp (36.433959, -91.527190,WGS84).
FIGURE 4 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 4. Faxonius roberti, new species; all from holotype male Form-I (CMNH 38749), except D and E from morphotype male Form-II (CMNH 38751), and I from allotype female (CMNH 38750). A) lateral aspect of carapace; B–C) mesial and lateral aspect of Form-I male gonopod, respectively; D–E) mesial and lateral views of Form-II male gonopod, respectively; F) mesial view of entire gonopod of male Form-I gonopod; G) dorsal aspect of antennal scale; H) dorsal veiw of carapace; I) ventral aspect of the female annulus ventralis; J) dorsal aspect of merus of first pereiopod (=cheliped) showing location of spines; K) dorsal aspect of distal podomeres of the right cheliped. Plate by Guenter A. Schuster.
FIGURE 3 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 3. Dorsal view of Faxonius roberti new species, holotype, male form-I (CMNH 38749) from the type locality.
FIGURE 1 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 1. Nonmetric Multidimensional Scaling (NMDS) graphs showing similarity among specimens. A). All specimens in the dataset, generated by dropping any ratios that were non-significant or sex-related. B). Females only, generated by dropping non-significant and male only ratios. C). Form-I males only and D). Form-II males only. Colored lines were drawn by hand and circumscribe the region that contains all of the data points for the indicated species.
FIGURE 7 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 7. Faxonius wagneri, new species; all from holotype male Form-I (CMNH 38752), except D and E from morphotype male Form-II (CMNH 38754), and I from allotype female (CMNH 38753). A) lateral aspect of carapace; B–C) mesial and lateral aspect of Form-I male first pleopod, respectively; D–E) mesial and lateral views of Form-II male first pleopod, respectively; F) mesial view of entire first pleopod of male Form-I gonopod; G) dorsal aspect of antennal scale; H) dorsal veiw of carapace; I) ventral aspect of the female annulus ventralis; J) dorsal aspect of merus of first pereiopod (=cheliped) showing location of spines; K) dorsal aspect of distal podomeres of the right cheliped. Plate by Guenter A. Schuster.
FIGURE 2 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 2. Bayesian phylogeny depicting relationships among the new species and several other members of the genus from the Ozark Highlands. Numbers at the nodes indicate bayesian posterior probabilities. Clades A and B as discussed in text.
FIGURE 6 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 6. Dorsal view of Faxonius wagneri, new species, morphotype, male form-II (CMNH 38752) from near Dalton, Arkansas.
FIGURE 9. Faxonius eupunctus Williams, 1952 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 9. Faxonius eupunctus Williams, 1952; all from a recently collected male Form-I (CMNH 38755), except D and E from a male Form-II (CMNH 38757), and I from a female (CMNH 38756). A) lateral aspect of carapace; B–C) mesial and lateral aspect of Form-I male first pleopod, respectively; D–E) mesial and lateral views of Form-II male first pleopod, respectively; F) mesial view of entire first pleopod of male Form-I gonopod; G) dorsal aspect of antennal scale; H) dorsal veiw of carapace; I) ventral aspect of the female annulus ventralis; J) dorsal aspect of merus of first pereiopod (=cheliped) showing location of spines; K) dorsal aspect of distal podomeres of the right cheliped. Plate by Guenter A. Schuster.
FIGURE 10 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 10. Map showing the location of museum specimens lots that were examined and measured morphologically as part of this study. Faxonius roberti lots examined are shown as red open circles and the type locality is depicted as an open red circle with a cross. Recent historical locality records (specimens not measured) for F. roberti are indicated with black circles with squares. Faxonius wagneri lots are shown as purple closed circles and the type locality is indicated with a purple closed circle with a cross. Black circles with diamonds indicate other known localities for F. wagneri that were not measured as a part of this study. Black arrows indicate the location of the type localities for both species. Orange lines indicate county boundaries. Black lines indicated HUC8 watershed boundaries. Blue lines indicate major rivers. Map was generated using Google MyMaps.
FIGURE 8 in Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri
FIGURE 8. Photo of Eleven Point River just downstream of the Dalton boat ramp (36.421044, -91.139249,WGS84). This is the location where the morphotype of Faxonius wagneri was collected, just five kilometers south (downstream) of the type locality.
FIGURE 2 in Cambarus polypilosus, a new species of stream-dwelling crayfish (Decapoda: Cambaridae) from the Western Highland Rim of Tennessee, USA
FIGURE 2. Cambarus polypilosus sp. nov. (A.) Lateral view of carapace; (B.) Lateral and (C.) mesial view of form I gonopod; (D.) Lateral and (E.) mesial view of form II gonopod; (F.) Annulus ventralis; (G.) Dorsal view of carapace; (H.) Dorsal view of right carpus and chelae; (I.) epistome. A–C and G–I from holotype; F from allotype; D–E from morphotype.
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International Brain Laboratory public data
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OpenNeuro
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