Find research datasets worth reusing

opencc-by-3.0Sep 2017View details →

Appendix Morphometric parameters of Chaetonotus (Chaetonotus) antrumus Kolicka sp. nov. Abbreviations: N = number of specimens or structures analysed; Range = the smallest and the largest structure measurement found among all specimens measured; SD = standard deviation. All measurements are given in micrometers (μm); all indicators are given as a percentage (%) and italicized. in A new species of freshwater Chaetonotidae (Gastrotricha, Chaetonotida) from Obodska Cave (Montenegro) based on morphological and molecular characters

Appendix Morphometric parameters of Chaetonotus (Chaetonotus) antrumus Kolicka sp. nov. Abbreviations: N = number of specimens or structures analysed; Range = the smallest and the largest structure measurement found among all specimens measured; SD = standard deviation. All measurements are given in micrometers (μm); all indicators are given as a percentage (%) and italicized.

FIG. 3 in Morphological and molecular evidence for a new species, Mannia gradsteinii sp. nov. (Aytoniaceae) from southwestern China

FIG. 3. — Mannia gradsteinii sp. nov.: A, C, D, transverse section of segments; B, epidermal pores; E, F, ventral scales with appendages. All from Y.L. Xiang & P.F. Wang 20170428-12 (holo-, HSNU). Scale bars: A, E, F, 250 μm; B-D, 200 μm.

FIG. 2 in Morphological and molecular evidence for a new species, Mannia gradsteinii sp. nov. (Aytoniaceae) from southwestern China

FIG. 2. — Mannia gradsteinii sp. nov.: A, habit in the field; B, dorsal surface of thallus; C, D, female receptacle, dorsal and ventral view respectively; E-H, SEM micrographs of spores; E, F, distal view; G, proximal view; H, side view. All from Y.L. Xiang & P.F. Wang 20170428-12 (holo-, HSNU). Scale bars: A, 1 cm; B, 2 mm; C, D, 5 mm; E-H, 20 μm.

FIG. 4 in Morphological and molecular evidence for a new species, Mannia gradsteinii sp. nov. (Aytoniaceae) from southwestern China

FIG. 4. — Mannia gradsteinii sp. nov.: A, B, light microscopy micrographs of spores; A, distal view; B, proximal view; C, elater; D, capsule wall; E, F, transverse section of archegoniophore stalks. All from Y.L. Xiang & P.F. Wang 20170428-12 (holo-, HSNU). Scale bars: A-D, 50 μm; E, F, 200 μm.

FIG. 1 in Morphological and molecular evidence for a new species, Mannia gradsteinii sp. nov. (Aytoniaceae) from southwestern China

FIG. 1. — Phylogeny of Mannia Corda illustrating the position of Mannia gradsteinii sp. nov., inferred from combined dataset (trnL-F and 26S) and topology displayed as the best-scoring ML tree in IQtree. ML bootstrap values BS ≥ 65 and Bayesian posterior probabilities values PP ≥ 0.90 are shown at left and at right, respectively.

opencc-by-4.0Dec 2019View details →

Fig. 1 in Morphology and Molecular Analyses of a New Marine Ciliate, Arcuseries minima sp. nov. (Ciliophora: Urostylidae)

Fig. 1. Arcuseries minima sp. nov. in vivo (A–E) and after protargol impregnation (F, G). (A) Ventral view of a representative specimen. (B, C) Cortical granulation in ventral surface. (D, E) Cortical granulation in dorsal surface, three types of cortical granules: the large (arrow), medium-sized (arrowhead), small (double arrowhead). (F) Ventral view of holotype specimen. (G) Dorsal view of a paratype specimen, arrow indicates a basal body. AZM = adoral zone of membranelles; BC = buccal cirrus; E = endoral; FC = frontal cirri; FTC = frontoterminal cirri; LMC = left marginal cirri; Ma = macronuclear nodules; MC = midventral cirri; Mi = micronuclei; P = paroral; PTC = pretransverse cirri; RMC = right marginal cirri; TC = transverse cirri; 1–3 = dorsal kineties 1–3. Scale bars: 20 µm.

opencc-by-4.0Dec 2019View details →

Fig. 3 in Morphology and Molecular Analyses of a New Marine Ciliate, Arcuseries minima sp. nov. (Ciliophora: Urostylidae)

Fig. 3. Maximum likelihood and Bayesian inference analyses based on 18S rDNA sequences. The new sequence provided in the present work is indicated in bold and by a white arrow. Numbers at nodes indicate the bootstrap values of ML out of 1,000 replicates and the posterior probability of BI. Fully supported (100/1.00) branches are marked with solid circles. The scale bar corresponds to 2 substitutions per 100 nucleotide positions.

opencc-by-4.0Nov 2016View details →

→ Fig. 2. Marellomorph arthropod Mimetaster florestaensis sp. nov. from Tremadocian of Mojotoro Mountains, Salta, Argentina. A–C. CNS-I 133/1-1, part. A. Cephalic shield and spines. Detail of the secondary spines on mediolateral spine (A2). B. View of the imprint of the ventral posterior margin of the cephalic shield. C. Explanatory drawing revealing the most important morphological characters. D. CNS-I 133/1-1´, counterpart showing detail of strong secondary spines on anterolateral spine. Arrows indicate the secondary spines. in A new marrellomorph euarthropod from the Early Ordovician of Argentina

→ Fig. 2. Marellomorph arthropod Mimetaster florestaensis sp. nov. from Tremadocian of Mojotoro Mountains, Salta, Argentina. A–C. CNS-I 133/1-1, part. A. Cephalic shield and spines. Detail of the secondary spines on mediolateral spine (A2). B. View of the imprint of the ventral posterior margin of the cephalic shield. C. Explanatory drawing revealing the most important morphological characters. D. CNS-I 133/1-1´, counterpart showing detail of strong secondary spines on anterolateral spine. Arrows indicate the secondary spines.

Fig. 1 in Myxobolus opsaridiumi sp. nov. (Cnidaria: Myxosporea) infecting different tissues of an ornamental fish, Opsaridium ubangiensis (Pellegrin, 1901), in Cameroon: morphological and molecular characterization

Fig. 1. Photomicrographs of Myxobolus opsaridiumi sp. nov. infecting skin, muscle and spleen of Opsaridium ubangiensis (Pellegrin, 1901). A. Fresh myxospores in frontal view. B. Fresh myxospore in lateral view. C. Giemsa-stained myxospores. D. Diagrammatic drawing of a mature myxospore.

Fig. 2 in Myxobolus opsaridiumi sp. nov. (Cnidaria: Myxosporea) infecting different tissues of an ornamental fish, Opsaridium ubangiensis (Pellegrin, 1901), in Cameroon: morphological and molecular characterization

Fig. 2. Photomicrographs of plasmodia of Myxobolus opsaridiumi sp. nov. developing on Opsaridium ubangiensis (Pellegrin, 1901). A. Plasmodium development on the skin. B. Histological section stained with hematoxylin and eosin showing plasmodium situated in the dermis. C. Plasmodium developing within muscle fibers (hematoxylin and eosin). D. Higher magnification of a plasmodium from the muscle fibers.

Fig. 3. A–C in Myxobolus opsaridiumi sp. nov. (Cnidaria: Myxosporea) infecting different tissues of an ornamental fish, Opsaridium ubangiensis (Pellegrin, 1901), in Cameroon: morphological and molecular characterization

Fig. 3. A–C. Photomicrographs of plasmodia of Myxobolus opsaridiumi sp. nov. affecting a spleen of Opsaridium ubangiensis (Pellegrin, 1901). A. Spleen harbouring large plasmodia. B. Whitish plasmodia isolated from each other (black arrows) or arranged in grape-like clusters (white arrow). C. Spleen completely filled with plasmodia. – D–G. Histological sections stained with hematoxylin and eosin of spleens of O. ubangiensis infected with plasmodia of M. opsaridiumi sp. nov. D. Plasmodia implanted on the external region of the spleen. E. Asynchronous development of plasmodia within the spleen. F. Mechanical compression of the cells adjacent to the cysts. G. Higher magnification of plasmodia showing each surrounded by a wall and full of myxospores. Abbreviation: P = plasmodium.

Fig. 4 in Myxobolus opsaridiumi sp. nov. (Cnidaria: Myxosporea) infecting different tissues of an ornamental fish, Opsaridium ubangiensis (Pellegrin, 1901), in Cameroon: morphological and molecular characterization

Fig. 4. Maximum likelihood phylogenetic tree based on the SSU rDNA sequences showing the position of Myxobolus opsaridiumi sp. nov. (in bold) and related species. Accession numbers and infected tissues are listed adjacent to the species names. Numbers at the nodes represent Bayesian posterior probabilities and ML bootstrap percentages. Kudoa thyrsites (Gilchrist, 1924) was used as the outgroup.

Fig. 13 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 13. Arrangement of paragnaths in the ridge and furrow regions of areas VII–VIII in species of Perinereis Kinberg, 1865. Filled figures with solid edges represent paragnaths observed in all specimens examined, no-filled figures with dashed edges represent paragnaths observed in some specimens only.

Fig. 12 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 12. Perinereis cariboea De León-González & Solís-Weiss, 1998. Non-types (ECOSUR P3209). A. Whole specimen, dorsal view. B. Anterior end, dorsal view. C. Anterior end, dorsal view. D. Same, ventral view. E. Chaetiger 2, right parapodium. F. Chaetiger 6, right parapodium. G. Chaetiger 12, right parapodium. H. Chaetiger 14, right parapodium. I. Chaetiger 18, right parapodium. J. Chaetiger 35, right parapodium in anterior (left) and posterior (right) views. Scale bars: A = 5 mm; B–D = 1 mm; E = 0.25 mm; F–J = 0.5 mm.

Fig. 11 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 11. Perinereis floridana (Ehlers, 1868). Non-types (ECOSUR P1100). A. Anterior end, dorsal view. B. Posterior end, dorsal view. C. Chaetiger 2, right parapodium. D. Chaetiger 10, right parapodium. E. Chaetiger 28, right parapodium. F. Chaetiger 61, right parapodium. G. Chaetiger 91, right parapodium. H. Left jaw, dorsal view. I. Supra-acicular heterogomph falciger, chaetiger 61. J. Subacicular heterogomph falciger, chaetiger 61. K. Sub-acicular heterogomph spiniger, chaetiger 61. L. Supra-acicular homogomph spiniger, chaetiger 61. Scale bars: A–B = 1 mm; C–H = 0.25 mm; I–J = 10 μm; K–L = 50 μm.

Fig. 10 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 10. Perinereis floridana (Ehlers, 1868). Syntypes of Nereis floridana (MCZ ANNa-119). A. Whole specimen, dorsal view. B. Anterior end, dorsal view. C. Pharynx, dorsal view. D. Pharynx, ventral view. E. Supra-acicular heterogomph falciger, chaetiger 6. F. Supra-acicular heterogomph falciger, chaetiger 17. G. Sub-acicular heterogomph falciger, chaetiger 6. H. Sub-acicular heterogomph falciger, chaetiger 17. I. Chaetiger 2, right parapodium. J. Chaetiger 6, right parapodium. K. Chaetiger 10, right parapodium. L. Chaetiger 17, right parapodium. M. Chaetiger 18, right parapodium. N. Chaetiger 40, right parapodium. O. Chaetiger 95, right parapodium. Scale bars: A = 2 mm; B = 1 mm; C–D = 0.5 mm; E–H = 10 μm; I–O = 0.2 mm.

Fig. 9 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 9. Perinereis websteri sp. nov. A–G, I–N. Holotype (USNM 1490807). H. Paratype (USNM 1490809). A. Chaetiger 2, right parapodium. B. Chaetiger 10, right parapodium. C. Chaetiger 31, right parapodium. D. Chaetiger 50, right parapodium. E. Chaetiger 70, right parapodium. F. Chaetiger 75, right parapodium. G. Chaetiger 82, right parapodium. H. Chaetiger 100, right parapodium. I. Right jaw, dorsal view. J. Supra-acicular heterogomph falciger, chaetiger 31. K. Supra-acicular heterogomph falciger, chaetiger 75. L. Sub-acicular heterogomph falciger, chaetiger 31. M. Sub-acicular heterogomph falciger, chaetiger 75. N. Sub-acicular heterogomph falciger, chaetiger 82. Scale bars: A–F, H = 0.2 mm; G, I = 0.1 mm; J–N = 10 μm.

Fig. 8 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 8. Perinereis websteri sp. nov. A, F–G. Holotype (USNM 1490807). B–C, H. Paratype (USNM 1490809). D–E. Non-type (USNM 14900805). A. Whole specimen, dorsal view. B. Pharynx, dorsal view. C. Same, ventral view. D. Pharynx, dorsal view. E. Same, ventral view. F. Anterior end, dorsal view. G. Posterior end, dorsal view. H. Pharynx, ventral view. Scale bars: A = 1.5 mm; B–H = 1 mm.

Fig. 6 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 6. Perinereis bairdii (Webster, 1884). Topotype male (USNM 1480197). A. Right jaw, dorsal view. B. Chaetiger 2, left parapodium. C. Chaetiger 3, left parapodium. D. Chaetiger 7, left parapodium. E. Chaetiger 10, left parapodium. F. Chaetiger 14, left parapodium. G. Chaetiger 15, left parapodium. H. Chaetiger 30, left parapodium. I. Chaetiger 50, left parapodium. J. Chaetiger 72, left parapodium. Scale bars: A–B, J = 0.1 mm; C–I = 0.2 mm.

Fig. 7 in Reinstatement of Perinereis bairdii (Webster, 1884) and description of P. websteri sp. nov. from Bermuda, including the reproductive morphology of two Atlantic Perinereis species (Annelida: Errantia: Phyllodocida)

Fig. 7. Perinereis websteri sp. nov. Non-types (USNM 1660577, from syntype series of Nereis bairdii Webster, 1884). A. Anterior end, dorsal view. B. Anterior end, dorsal view. C. Pharynx, dorsal view. D. Same, ventral view. E. Chaetiger 10, left parapodium. F. Chaetiger 43, left parapodium. G. Chaetiger 69, left parapodium. H. Chaetiger 84, left parapodium. Scale bars: A–B = 1 mm; C–D = 0.5 mm; E–G = 0.2 mm; H = 0.1 mm.