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34 results for “Triops”
FIGURE 3 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 3. Phylogenetic relationships of A, Triops samples obtained in a combined analysis of three molecular markers (12 S, 16 S, 28 S) and B, western Moroccan Triops granarius samples as inferred from 12 S sequences (best scoring trees obtained in RAxML are shown). ML bootstrap support / Bayesian posterior probabilities are given for selected nodes. Provisional taxon labels of previously discovered lineages correspond to those used in Korn et al. (2013). Symbols correspond to those used in Fig. 1.
FIGURE 2 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 2. Schematic drawing of A, a detail of the right lateral margin of the telson of a Triops granarius specimen in dorsal view, showing how the length of the largest furcal spine was measured (dotted line), and B, the endopodite of the second trunk limb in anterior view, demonstrating how the length of the endopodite was measured (dotted line). C, a detail of the row of digging spines positioned at the margin of the endopodite showing three examples of length measurements (dotted lines; note that in the present example the largest spine cannot be identified easily so that several rather large spines have to be measured in order to obtain a value for the length of the largest spine) and the position of subsidiary lines used for measurements of spine lengths (dashed lines). D, the distal part of the endopodite showing the distal claw and three of the digging spines. The point where the dashed line (drawn from the base of the distal claw) meets the dotted line (median line of the distal claw) was used as the starting point for length measurements of the endopodite (in the present study the base of the distal claw was defined as the point where the distalmost digging spine diverges from the endopodite). Grey bars (directed approx. in a right angle to measured lines) indicate where measured lines start and end. Abbreviations: C, distal claw; DS, digging spines; SP, largest furcal spine; SPL, length of largest furcal spine; TE, telson; F, furcal ramus.
FIGURE 1. A in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 1. A, map indicating the geographical position of the study area (marked in black). B, map showing the geographical distribution of studied populations of Triops granarius. Symbols used to mark study sites refer to phylogenetic lineages (see Table 1, Fig. 3; population no. 6 was determined morphologically by DFA in this study). Open square: ‘ Triops granarius 8 ’; filled asterisk: ‘ Triops granarius 10 ’.
First record of <em>Triops cancriformis</em> (Branchiopoda: Notostraca) in Qatar: Its origin and range expansion inferred from genetics, morphology, and reproduction
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Data from: Evolutionary relationships within the Triops (Notostraca: Branchiopoda) using complete mitochondrial genomes
The tadpole shrimp (Notostraca: Triops) have been called living fossils with conserved morphology, but subtle morphological variations within and between species has yielded confused taxonomic assignments. To aid in cryptic species detection of tadpole shrimp from southern New Mexico, USA, the first complete mitochondrial genomes for three putative species (T. longicaudatus "long," T. l. "short," T. newberryi) are reported. The genomes ranged in length from 15,058 bp to 15,060 bp with 13 coding genes, 22 tRNA genes, 2 rRNA genes and a control region. Phylogenetic trees were constructed using previously sequenced Triops-genomes to assess genetic relationships within the genus. The T. longicaudatus-genomes from Genbank were consistent with our genomes for T. newberryi and T. l. "short." Variation in mitochondrial genes were identified that will aid future identification of cryptic lineages of tadpole shrimp. Genetic differentiation among the genomes of Triops in New Mexico support elevation to species status.
FIGURE 8 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 8. Triops multifidus sp. nov. A, endopodite and 5th endite of 2nd trunk limb of the holotype (male), anterior view. B, endopodite of 2nd trunk limb of a female of 2.3 mm telson width (from the type locality), anterior view. C, endopodite of 6th trunk limb of a male of 2.3 mm telson width (from the type locality), anterior view. D, endopodite and 5th endite of 2nd trunk limb of a male of 2.2 mm telson width (from population 10), anterior view. E, second antenna of a second instar larva (from the type locality) as seen in a shed exuvium, ventral view. F, general aspect of adult male (showing a specimen of population 13). G, variation in the shape of the nuchal organ: examples (from left to right) from specimen of 2.2 (population 10) 1.8 (population 12, female) 2.4 (holotype) and 2.2 mm telson width (population 8). H, telson of the holotype, dorsal view. I, telson of a male of 2.3 mm telson width (from the type locality), lateral view.
FIGURE 3 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 3. Phylogenetic relationships of A, Triops samples obtained in a combined analysis of three molecular markers (12S, 16S, 28S) and B, western Moroccan Triops granarius samples as inferred from 12S sequences (best scoring trees obtained in RAxML are shown). ML bootstrap support/ Bayesian posterior probabilities are given for selected nodes. Provisional taxon labels of previously discovered lineages correspond to those used in Korn et al. (2013). Symbols correspond to those used in Fig. 1.
FIGURE 7 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 7. Triops maximus sp. nov. A, carapace of the holotype (male), right lateral view. B, second maxilla of the holotype, anterior view. C, detail of the 1st trunk limb of the holotype, anterior view.
FIGURE 9 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 9. Triops multifidus sp. nov. A, carapace of the holotype (male), right lateral view. B, second maxilla of the holotype, anterior view. C, detail of the 1st trunk limb of the holotype, anterior view (note that the epipodite is missing in this sample, possibly due to injury).
FIGURE 6 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 6. Triops maximus sp. nov. A, second antenna of a second instar larva (from the type locality) as seen in a shed exuvium, ventral view. B, general aspect of adult male (showing a specimen of population 7). C, variation in the shape of the nuchal organ: examples from specimen of 3.0 (above, left: population 2) 2.3 (below, left: population 18) and 2.2 mm telson width (center, right: holotype). D, endopodite of 6th trunk limb of a male of 2.3 mm telson width (from the type locality), anterior view. E, endopodite and 5th endite of 2nd trunk limb of the holotype (male), anterior view. F, telson of the holotype, dorsal view. G, telson of a male of 2.3 mm telson width (population 18), lateral view.
FIGURE 2 in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 2. Schematic drawing of A, a detail of the right lateral margin of the telson of a Triops granarius specimen in dorsal view, showing how the length of the largest furcal spine was measured (dotted line), and B, the endopodite of the second trunk limb in anterior view, demonstrating how the length of the endopodite was measured (dotted line). C, a detail of the row of digging spines positioned at the margin of the endopodite showing three examples of length measurements (dotted lines; note that in the present example the largest spine cannot be identified easily so that several rather large spines have to be measured in order to obtain a value for the length of the largest spine) and the position of subsidiary lines used for measurements of spine lengths (dashed lines). D, the distal part of the endopodite showing the distal claw and three of the digging spines. The point where the dashed line (drawn from the base of the distal claw) meets the dotted line (median line of the distal claw) was used as the starting point for length measurements of the endopodite (in the present study the base of the distal claw was defined as the point where the distalmost digging spine diverges from the endopodite). Grey bars (directed approx. in a right angle to measured lines) indicate where measured lines start and end. Abbreviations: C, distal claw; DS, digging spines; SP, largest furcal spine; SPL, length of largest furcal spine; TE, telson; F, furcal ramus.
FIGURE 1. A in Molecular phylogeny, morphology and taxonomy of Moroccan Triops granarius (Lucas, 1864) (Crustacea: Notostraca), with the description of two new species
FIGURE 1. A, map indicating the geographical position of the study area (marked in black). B, map showing the geographical distribution of studied populations of Triops granarius. Symbols used to mark study sites refer to phylogenetic lineages (see Table 1, Fig. 3; population no. 6 was determined morphologically by DFA in this study). Open square: 'Triops granarius 8'; filled asterisk: 'Triops granarius 10'.
FIGURE 3. Triops cancriformis. A in An updated and detailed taxonomical account of the large Branchiopoda (Crustacea: Branchiopoda: Anostraca, Notostraca, Spinicaudata) from the Yale North India Expedition deposited in the Yale Peabody Natural History Museum
FIGURE 3. Triops cancriformis. A, sulcus spines (part). B, dorsal organ. C, telson (dorsal view). D, telson (lateral view).
Fig. 2 in Molecular and morphological delimitation of Australian Triops species (Crustacea: Branchiopoda: Notostraca)-large diversity and little morphological differentiation
Fig. 2 Morphology of the head (a) and posterior margin of the carapace (b) and position of landmarks for morphometrics as well as position of telsonic spines on the dorsal surface of the telson (c). Landmark (LM) 1: anterior right corner of telson; LM 2: tip of largest right lateral spine; LM 3: intersection between telson and furca (right); LM 4: most posterior extension of the right telson lobe; LM 5: center of telson notch; LM 6: most posterior extension of the left telson lobe; LM 7: intersection between telson and furca (left); LM 8: tip of largest left lateral spine;
Fig. 4 in Molecular and morphological delimitation of Australian Triops species (Crustacea: Branchiopoda: Notostraca)-large diversity and little morphological differentiation
Fig. 4 Bayesian inference majority rule tree based on EF1α. Triops main and sublineages derived from COI are highlighted. All available EF1α sequences were included. Colors represent the individual's location (see Fig. 1). Numbers of terminals correspond to Australian Museum (AM) registration numbers (see also Supplement Table S1). For each node,
Fig. 1 in Molecular and morphological delimitation of Australian Triops species (Crustacea: Branchiopoda: Notostraca)-large diversity and little morphological differentiation
Fig. 1 Map showing all collection localities. The larger map depicts the main drainage systems (red lines) and the catchments basins of individual rivers (black lines). Geographically closely associated localities were grouped together, and the color-coding corresponds to Figs. 3 and 4. The numbers correspond to the locality numbers in Table 1 and Supplement Table S2. Scale bars correspond to 200 km each
Fig. 3 in Phylogeny, molecular ecology and taxonomy of southern Iberian lineages of Triops mauritanicus (Crustacea: Notostraca)
Fig. 3 Distribution of Triops mauritanicus lineages in southwestern Iberian Peninsula, limited to records from this and a preceding study (Korn et al. 2006), as literature records could not be assigned to the phylogenetic lineages. Black lines show political borders, grey lines the major rivers; dashed area indicates extension of marismas (natural temporary marshes) in Guadalquivir River delta around the year 1900
Fig. 9 Triops vicentinus n in Phylogeny, molecular ecology and taxonomy of southern Iberian lineages of Triops mauritanicus (Crustacea: Notostraca)
Fig. 9 Triops vicentinus n. sp., adult male (holotype). a Proximal region of 3rd endite of 10th trunk limb, anterior view; meshwork spines (and associat- ed row of spinules) shown in black, submarginal spines and edge of endite in grey. b Detail of 10th trunk limb, anterior view (EN3, 4 = 3rd, 4th endite; MWSP = meshwork spines; SMSP = submarginal spines). c Distal part of 2nd trunk limb. d Proximal region of 5th endite of 2nd trunk limb. e Telson, dorsal view. f Detail of 4th endite of 10th trunk limb, posterior view; only proximalmost parts of posterior row of meshwork spines shown, anterior row of meshwork spines in grey
Fig. 2 in Phylogeny, molecular ecology and taxonomy of southern Iberian lineages of Triops mauritanicus (Crustacea: Notostraca)
Fig. 2 Hypotheses on Triops mauritanicus ("T.m.") and T. c. cancriformis ("T.c.") phylogeny as reflected by our mitochondrial sequence data; outgroups (Triops longicaudatus, T. granarius, Lepidurus a. apus, L. a. lubbocki, L. arcticus, L. lemmoni) removed for clarity. a ML 12S tree based on large 12S dataset, using TVM+G model of evolution; ML/ MP bootstrap support values given for selected branches. b First of two ML trees based on combined 12S and 16S sequences from selected samples, using GTR+G model; ML
Fig. 10 Triops emeritensis n in Phylogeny, molecular ecology and taxonomy of southern Iberian lineages of Triops mauritanicus (Crustacea: Notostraca)
Fig. 10 Triops emeritensis n. sp., adult male (holotype). a Distal part of 2nd trunk limb. b Telson, dorsal view. c Proximal region of 3rd endite of 10th trunk limb, anterior view; meshwork spines and associated row of spinules shown in black, submarginal spines and edge of endite in grey
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