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398 results for “claw”
figure 12 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 12 Hypothesised claw evolution scheme within the class Eutardigrada. Common Eutardigrade Ancestor (CEA) exhibited asymmetric (anisonych/heteronych) claws. Most significant changes in the overall morphology of claws are marked with numerals: (1) – secondary branch elongation; (2) – claw reduction, basal portion indistinctly merged with cuticle; (3) – branch curving; (4) – miniaturisation; (5) – evolution of true lunulae; (6) – claws tripartite; (7) – claw symmetry, claws bipartite; (8) – primary branch elongation, secondary branch reduction, lunulae transformed into longitudinal bars, exclusively aquatic. Drawings are based on SEM and/or PCM microphotographs. Phylogenetic relationships are based on the consensus results from recent published works (Bertolani et al., 2014a; Cesari et al., 2016; Guidetti et al., 2016) and the present study
figure 2 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 2 The phylogeny of Isohypsibioidea Sands et al., 2008 based on concatenated 18S rRNA and 28S rRNA seqences. New families and genera are marked in bold. Values above branches indicate Bayesian posterior probability values (BI), whereas those under branches show bootstrap values (ML). Branches with support below 0.9 in BI (70% in ML) were collapsed. Scale bar and branch lengths refer to the Bayesian analysis
figure 11 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 11 Claws of aquatic isohypsibioids, i.e. Doryphoribiidae fam. nov. (PCM): A – Grevenius granulifer comb. nov.; B – Grevenius pushkini comb. nov.; C – Grevenius sismicus (Maucci, 1978) comb. nov.; D – Grevenius karenae (Zawierucha, 2013) comb. nov.; E – Grevenius monoicus (Bertolani, 1981) comb. nov.; F – Grevenius longiunguis (Pilato, 1974) comb. nov.; G – Thulinius ruffoi; H – Pseudobiotus megalonyx. Note singular bars (incised arrowheads) and pseudolunulae (empty incised arrowheads). Asterisks indicate evident internal and anterior claw primary branch widening, the claw curvature forms an obtuse angle (A–C, E) or the expansion is knob-like (D, F). Scale bars = 10 µm Downloaded from Brill.com 12/12/2023 02:59:51PM via Open Access. This is an open access article distributed under the terms of the prevailing CC-BY license at the time of publication. http://creativecommons.org/licenses/by-nc/4.0
figure 3 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 3 Nominal species for the recently transferred or newly erected genera of Isohypsibioidea (PCM): A – Fractonotus verrucosus (Richters, 1900) (Isohypsibiidae); B – Dianea sattleri (Richters, 1902) comb. nov. (Isohypsibiidae); C – Ursulinius pappi (Iharos, 1966) comb. nov. (Isohypsibiidae); D – Grevenius granulifer (Thulin, 1928) comb. nov. (Doryphoribiidae fam. nov.). Scale bars = 50 µm
figure 9 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 9 Modified Isohypsibius type claws (Isohypsibiidae, PCM): A – Fractonotus gilvus (Biserov, 1986), note weakly developed pseudolunulae (empty incised arrowheads); B – Dianea sattleri comb. nov.; C – Eremobiotus ovezovae Biserov, 1992; D – Eremobiotus sp. nov. Scale bars = 10 µm
Figure 1 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
Figure 1 Schematic presentation of the oral cavity armature (OCA) in Isohypsibioidea, the first and/or the second band of teeth are marked by Roman numerals: A – a continuous peribuccal lamina, two bands of teeth (Apodibius, Grevenius gen. nov., Halobiotus, Hexapodibius); B – a continuous peribuccal lamina, the first band of teeth (Fractonotus, Isohypsibius, Ursulinius gen. nov.); C – six convex peribuccal papulae, the first band of teeth (Eremobiotus); D – rectangular peribuccal lamellae, the first band of teeth with lateral toothless intervals (Pseudobiotus); E – rectangular peribuccal lamellae, two bands of teeth (Thulinius); F – six large peribuccal lamellae, two bands of teeth (Haplomacrobiotus). Both bands of teeth contain variable number of rows, depending on the genus
figure 8 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 8 Isohypsibius type claws (Isohypsibiidae, PCM): A – Isohypsibius prosostomus; B – Isohypsibius arbiter Binda, 1980; C – Isohypsibius coulsoni; D – Isohypsibius wilsoni (Horning et al., 1978); E – Isohypsibius dastychi Pilato et al., 1982; F – Isohypsibius chiarae Maucci, 1987. Note singular bars (incised arrow- Downloaded from Brill.com 12/12/2023 02:59:51PM heads) and weakly developed or vialacking Open Access. pseudolunulaeThis is(an emptyopenincised access article arrowhead). Scale distributedbars = under 10 µmthe terms of the prevailing CC-BY license at the time of publication. http://creativecommons.org/licenses/by-nc/4.0
figure 4 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 4 Cephalic region of various members of Isohypsibioidea (SEM): A – Isohypsibius prosostomus Thulin, 1928 (Isohypsibiidae); B – Ursulinius pappi comb. nov. (Isohypsibiidae); C – Halobiotus crispae Kristensen, 1982 (Halobiotidae fam. nov.); D – Doryphoribius dawkinsi Michalczyk & Kaczmarek, 2010 (Doryphoribiidae fam. nov.); E – Apodibius confusus Dastych, 1983 (Doryphoribiidae fam. nov.); F – Pseudobiotus megalonyx (Thulin, 1928) (Doryphoribiidae fam. nov.); G – Grevenius granulifer Downloaded from Brill.com 12/12/2023 02:59:51PM comb. nov. (DoryphoribiidaeviafamOpen. nov.); AccessH –. This Hexapodibius is an open micronyx accessPilato article, 1969 (distributed Hexapodibiidaeunder). the terms Asterisks indicate frontal lobes or cephalic of papillaethe. Scale prevailingbars = 10 CC-BYµmlicense at the time of publication. http://creativecommons.org/licenses/by-nc/4.0
figure 7 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 7 (Cont.) I – Halobiotus arcturulius Crisp & Kristensen, 1983 (Halobiotidae fam. nov.); J – Halobiotus crispae (Halobiotidae fam. nov.); K – Doryphoribius dawkinsi (Doryphoribiidae fam. nov.); L – Thulinius ruffoi (Doryphoribiidae fam. nov.); M – Pseudobiotus megalonyx (Doryphoribiidae fam. nov.); N – Pseudobiotus megalonyx (Doryphoribiidae fam. nov.), modified male claws I; O – Grevenius granulifer comb. nov. (Doryphoribiidae fam. nov.); P – Grevenius pushkini comb. nov. (Doryphoribiidae fam. nov.); Q – Hexapodibius micronyx (Hexapodibiidae), reduced claws with undeveloped bases. Scale bars in micrometres
figure 7 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 7 Claw types of various members of Isohypsibioidea (SEM): A – Isohypsibius prosostomus (Isohypsibiidae); B – Isohypsibius coulsoni (Isohypsibiidae); C – Ursulinius pappi comb. nov. (Isohypsibiidae), claws I –III; D – Ursulinius pappi comb. nov. (Isohypsibiidae), modified claws IV (arrowheads indicate evident pseudolunulae); E – Eremobiotus sp. nov. (Isohypsibiidae), external side of claws I–III (incised arrowheads indicate longitudinal internal bar, empty incised arrowheads – the furbelow structure covered with minute granulation, the empty arrowhead – pedal gibbosity); F – Eremobiotus sp. nov. (Isohypsibiidae), internal side of claws I–III; G – Fractonotus verrucosus (Isohypsibiidae); H – Dianea sattleri comb. nov. (Isohypsibiidae); (Cont. on next page)
figure 10 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 10 Modified Isohypsibius type claws (Isohypsibiidae, PCM): Ursulinius type claws: A – Ursulinius pappi comb. nov.; B – Ursulinius duranteae (Maucci, 1978) comb. nov.; C – Ursulinius ronsisvallei (Binda & Pilato, 1969) comb. nov.; D – Ursulinius dudichi (Iharos, 1964) comb. nov. Note double bars (incised arrowheads) and well-developed pseudolunulae (empty incised arrowheads). Scale bars = 10 µm
figure 6 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 6 Cuticular surface of various members of Isohypsibioidea (SEM): A–B – Fractonotus verrucosus (Isohypsibiidae), obtuse tubercles and plaques; C – Dianea sattleri comb. nov. (Isohypsibiidae), small wrinkled gibbosities; D – Ursulinius pappi comb. nov. (Isohypsibiidae), large reticulated gibbosities; E – Ursulinius elegans (Binda & Pilato, 1971) comb. nov. (Isohypsibiidae), large ornamented gibbosities; F – Doryphoribius dawkinsi (Doryphoribiidae fam. nov.), large sculptured gibbosities; G – Grevenius granulifer comb. nov. (Doryphoribiidae fam. nov.), irregularDownloaded small tubercles from; BrillH.– com Grevenius 12/12/2023 pushkini02:59:51PM (Tumanov, 2003) comb. nov. via (Open Doryphoribiidae Access. This fam. isnovan.), open cuticular accesswrinkles article. Scale distributed bars in under micrometresthe terms of the prevailing CC-BY license at the time of publication. http://creativecommons.org/licenses/by-nc/4.0
figure 5 in Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence
figure 5 Peribuccal structures of various members of Isohypsibioidea (SEM): A – Isohypsibius coulsoni Kaczmarek et al., 2012 (Isohypsibiidae); B – Ursulinius pappi comb. nov. (Isohypsibiidae); C – Fractonotus verrucosus (Isohypsibiidae); D – Halobiotus crispae (Halobiotidae fam. nov.); E – Doryphoribius dawkinsi (Doryphoribiidae fam. nov.); F – Apodibius confusus (Doryphoribiidae fam. nov.); G – Thulinius ruffoi (Bertolani, 1981) (Doryphoribiidae fam. nov.); H – Pseudobiotus megalonyx (Doryphoribiidae fam. nov.); I – Grevenius granulifer comb. nov. (Doryphoribiidae fam. nov.); J – Hexapodibius micronyx (Hexapodibiidae). Incised arrowheads indicate the first row of Downloadedteeth, from emptyBrill. incised com 12/12/ arrowheads2023 – 02: the 59:51PM second row of teeth, arrowheadsvia Open – fused Access. peribuccal This is an lamellaeopen, empty access article arrowheads – distributed peribuccalunderwrin-the terms of the prevailing CC-BY license at the time of publication. kles, and the asterisk points the peribuccal chemosensory http organ://. Scale bars creativecommons= 1 µm.org/licenses/by-nc/4.0
Figure 3 in Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae)
Figure 3. Left cheliped abnormalities observed in Pontastacus leptodactylus individuals collected from the Atikhisar Reservoir in Çanakkale, Turkey. Red circles indicate the abnormalities on the left chelipeds
Figure 2 in Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae)
Figure 2. Right cheliped abnormalities observed in Pontastacus leptodactylus individuals collected from the Atikhisar Reservoir in Çanakkale, Turkey. Red circles indicate the abnormalities on the right chelipeds.
Figure 1 in Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae)
Figure 1. Map of the sampling area (Atikhisar Reservoir in Çanakkale, Turkey) where Pontastacus leptodactylus individuals were collected. The red triangle indicates the sampling location within the lake.
Figure 4 in Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae)
Figure 4. Both right and left cheliped abnormalities observed in Pontastacus leptodactylus individuals collected from the Atikhisar Reservoir in Çanakkale, Turkey. Red circles indicate the abnormalities on both right and left chelipeds.
Figure 2 in Effects of methyl farnesoate injection on spermatozoa number and reproductive indices in the narrow-clawed crayfish Pontastacus leptodactylus
Figure 2. Effect of MF injection on reproductive system weight and GSI in male Pontastacus leptodactylus. Letters indicate significant difference groupings (P <0.05) (mean ± S.D; n = 15).
Fig. 6 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 6. The egg of Pseudoleucochloridium ainohelicis nom. nov. in the gravid adult. The left end is an operculum. An arrow indicates the notch of eggshell. A miracidium is visible inside. Scale bar 10 µm.
Fig. 4 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 4. The cercaria and metacercaria of Pseudoleucochloridium ainohelicis nom. nov. from Ainohelix editha. Both of the drawings are in ventral view. A) Cercaria. Scale bar 100 µm; B) Metacercaria. Scale bar 500 µm.
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