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Fig. 11 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 11. Phylogenetic position of Xibalbanus cozumelensis sp. nov. based on a Bayesian analysis of partial CO1 and 16S rDNA sequences of X. cozumelensis sp. nov. and other remipedes available from GenBank.

Fig. 8 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 8. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilliped (mxp), left side, scanning electron microscopy. A. Complete mxp from anterior. B. Close-up of terminal claw-complex from anterior (segment 8). C. Complete mxp from posterior. D. Close-up of terminal claw-complex from posterior (segment 8). E. Close-up of terminal claw-complex from lateral (segment 8). F. Close-up of small cluster of setae along distal margin of segment 7. G. Close-up of pore at close to latero-distal margin of segment 7. H. Close-up of cluster of setae at latero-distal corner of segment 4. I. Close-up of cluster of setae at latero-distal corner of segment 5.

Fig. 6 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 6. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilla 1 (mx1), left side, scanning electron microscopy. A. Complete mx1 from anterior. B. Median view. C. Close-up of median structures (e.g., endites) and distal claw from anterior. D. Distal setation of plate-like endite of segment 2 seen from 'below'. E. Distal setation of endite of segment 1 seen from 'below'. F. Close-up of two robust, broad-based cone-shaped setae of segment 3. G. Close-up of papillae of cone-shaped seta. H. Close-up of median structures (e.g., endites) and distal claw from posterior. I. Fang-like claw with visible subterminal duct opening.

Fig. 4 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 4. Xibalbanus cozumelensis sp. nov., holotype (ZMUC-CRU-4791), light microscopy. A. Antenna 1, left side from anterior. B. Antenna 2, left side from anterior. C. Maxilla 1, left side from anterior. D. Maxilla 2, left side from anterior. E. Maxilliped, left side from anterior. F. Caudal rami and posterior part of trunk. G. Caudal ramus, left side seen from median.

Fig. 2 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 2. Maps of the Yucatán Peninsula showing the known distribution of four species of Xibalbanus (Remipedia) and water depths around Cozumel. A. Yucatán Peninsula showing Xibalbanus localities (1–10) in the northeastern region of the Yucatán Peninsula and one locality in Belize further south (11). B. Close-up of the northeastern region of the Yucatán Peninsula with the positions of 10 Xibalbanus localities indicated. C. Close-up of eastern Cozumel with the branches of the anchialine cave "Cueva Quebrada" indicated as an overlay, derived from Yañez-Mendoza et al. (2007). The collecting site of Xibalbanus cozumelensis sp. nov. is indicated as "10". Numbers refer to the following cenotes/caves: 1 = Cenote Crustacea; 2 = Cenote Chac Mool; 3 = Cenote Ponderosa (= Cenote Jardín del Edén); 4 = Cenote Tajma Ha; 5 = Cenote Carwash (=Cenote Aktun Ha); 6 = Cenote Vaca Ha; 7 = Cenote Temple of Doom (Cenote Calavera, Cenote Esqueleto); 8 = Cenote Naharon (Cenote Cristal); 9 = Cenote Maya Blue (Cenote Escondido); 10 = Cueva Quebrada; 11 = Caye Chapel Cave. 1–9 are in the northeastern Yucatán Peninsula, 10 is on the island of Cozumel, 11 is in Belize.

Fig. 1 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 1. Described species of Remipedia as accumulated over time (1981 to 2016). A total number of 29 species is known, including Xibalbanus cozumelensis sp. nov. Arrows indicate the onset of significant collecting activities mainly organized by J. Yager in the 1980s (A) and T.M. Iliffe in the 2000s (B).

Fig. 7 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 7. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilla 2 (mx2), left side, scanning electron microscopy. A. Complete mx2 from anterior. B. Close-up of terminal claw-complex from anterior (segment 7). C. Close-up of terminal claw-complex from lateral (segment 7). D. Median side of segments 1 and 2 with endites (e1–3) from anterior. E. Endites of segment 1 (e1–3) from median. F. Complete mx2 from median.

Fig. 16 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 16. Astiella tsaratanensis Groeninckx sp. nov. A. Habit. B. Brevistylous flower. C. Open longistylous flower. D. Open brevistylous flower. E. Ovary dissected to show placentation. F. Capsule. Drawn by Marijke Meersman. A–C, E–F from De Block, Rakotonasolo & Randriamboavonjy 1319 (BR); D from Humbert & Capuron 24975 (BR).

Fig. 15 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 15. Astiella pulla Groeninckx sp. nov. A. Habit. B. Brevistylous flower. C. Open brevistylous flower. D. Open longistylous flower. E. Ovary dissected to show placentation; all ovules removed from the right locule to show the placenta. F. Capsule. Drawn by Marijke Meersman. A, E – F from Perrier de la Bâthie 17633 (P); B–D from Groeninckx, De Block & Rakotonasolo 271 (BR).

Fig. 11 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 11. Scanning electron microscopy micrographs of pollen in polar view (PV), the apocolpium (AC), pollen in equatorial view (EV) and the mesocolpium (ME). A. Astiella homolleae Groeninckx sp. nov. B. A. latifolia Groeninckx sp. nov. C. A. perrieri Groeninckx sp. nov. D. A. tsaratanensis Groeninckx sp. nov. Scale bars for A: PV = 2 µm, AC, ME = 1 µm, EV = 5 µm; for B and C: PV, EV = 5 µm, AC, ME = 1 µm; for D: PV, EV = 5 µm, AC = 2 µm, ME = 1 µm.

Fig. 10 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 10. Astiella homolleae Groeninckx sp. nov. A. Habit. B. Brevistylous flower. C. Open longistylous flower. D. Open brevistylous flower. E. Ovary dissected to show placentation. F. Capsule. Drawn by Marijke Meersman. A from Perrier de la Bâthie 17438 (P); B–E from Humbert & Saboureau 31739 (BR); F from Cheek & Dominic 1325 (K).

Fig. 7 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 7. Astiella deblockiae Groeninckx sp. nov. A. Habit. B. Brevistylous flower. C. Open longistylous flower. D. Open brevistylous flower. E. Ovary dissected to show placentation. F. Capsule. Drawn by Marijke Meersman. All from De Block, Rakotonasolo & Randriamboavonjy 1303 (BR).

Fig. 12 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 12. Astiella latifolia Groeninckx sp. nov. A. Habit. B. Longistylous flower. C. Open longistylous flower. D. Open brevistylous flower. E. Ovary dissected to show placentation; some ovules removed from the right locule to show the shape of the placenta. F. Capsule. Drawn by Marijke Meersman. A, D – F from De Block et al. 2255 (BR); B – C from Baron 5214 (P).

Fig. 8. Astiella delicatula Jovet. A. Habit. B. Isostylous flower. C. Open isostylous flower. D in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 8. Astiella delicatula Jovet. A. Habit. B. Isostylous flower. C. Open isostylous flower. D. Ovary dissected to show placentation. E. Capsule. Drawn by Marijke Meersman. All from De Block et al. 2173 (BR).

Fig. 13 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 13. Astiella longifimbria Groeninckx sp. nov. A. Habit. B. Flower. C. Open flower. D. Ovary dissected to show placentation. Drawn by Marijke Meersman. All from Humbert & Capuron 25168 (P).

Fig. 5 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 5. Scanning electron microscopy micrographs of seeds and a detail of their surface. A–B. Astiella antsalovansis Groeninckx sp. nov. C– D. A. deblockiae Groeninckx sp. nov. E – F. A. desseinii Groeninckx sp. nov. G – I. A. delicatula Jovet. J – K. A. homolleae Groeninckx sp. nov. L – M. A. latifolia Groeninckx sp. nov. N–O. A. perrieri Groeninckx sp. nov. P–R. A. tsaratanensis Groeninckx sp. nov. Scale bars for A, C, E, J, L, N = 100 µm; B, I = 50 µm; D = 10 µm; F, K, M, O, R = 20 µm; G, H, P, Q = 200 µm.

Fig. 6 in Two new species of Willowsia (Collembola: Entomobryidae) from Yunnan Province, China

Fig. 6. Willowsia zhaotongensis sp. nov. A. Chaetotaxy of Abd. I−III. B. Chaetotaxy of Abd. IV. C. Anterior face of ventral tube. D. Posterior face of ventral tube. E. Plaque of manubrium. F. Distal part of dens and mucro. G. Scale. Scale bars: A–B = 50 μm; C–G = 15 μm.

Fig. 1 in Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar

Fig. 1. Astiella antongilensis Groeninckx sp. nov. A. Habit. B. Brevistylous flower. C. Open brevistylous flower. D. Ovary dissected to show placentation. Drawn by Marijke Meersman. All from Perrier de la Bâthie 3749 (P).

Fig. 5 in Two new species of Willowsia (Collembola: Entomobryidae) from Yunnan Province, China

Fig. 5. Willowsia zhaotongensis sp. nov. A. Apex of Ant. IV. B. Dorsal chaetotaxy of head. C. Labrum. D. Lateral process of labial palp. E. Labium. F. Chaetotaxy of Th. II−III. G. Trochanteral organ. H. Hind foot complex. Scale bars: A, C–E, G–H = 15 μm; B, F = 50 μm.

Fig. 4 in Two new species of Willowsia (Collembola: Entomobryidae) from Yunnan Province, China

Fig. 4. Willowsia zhaotongensis sp. nov. A−B. Habitus (A = paratype; B = holotype). Scale bars: 500 μm.