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Figure 4 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 4 - Plakobranchus papua. Masticatory apparatus. a Pharynx; white arrow points to the buccal ganglion (bg) b Radula with ascus-sac (arrowed). c Detail of the ascus-sac which contain used teeth (arrowed) d Tooth, scanning electronic photograph e Tooth, light microscopy photograph f Detail of the denticles (SEM) g Row of teeth (LM). Scale bars: a, c = 50 μm; b = 25 μm; d–e = 10 μm; f = 5 μm; g = 15 μm.
Figure 1 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 1 - a–c Plakobranchus ocellatus, drawings by van Hasselt (1824): a dorsal view with parapodia folded up on the dorsal body surface b dorsal view with open parapodia, showing longitudinal lamellae c internal anatomy d–f Placobranchus ianthobaptus, drawings by Gould (1852): d dorsal view with parapodia folded up on the dorsal body surface e ventral view f dorsal view with open parapodia, showing longitudinal lamellae g–j two Plakobranchus species illustrated by Pease (1871) g–h Placobranchus gracilis: g ventral view h dorsal view i–j Placobranchus variegatus: i ventral view j dorsal view k–l drawings of Plakobranchus chlorophacus by Bergh (1873): k dorsal view with parapodia folded up on the dorsal body surface l ventral view with ocellated spots m–n drawings of Plakobranchus ocellatus by Marcus (1982): m dorsal view with parapodia folded up on the dorsal body surface n dorsal view with open parapodia, showing the longitudinal lamellae (en = pericardium; re = renal prominence).
Figure 3 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 3 - Plakobranchus papua. Images taken from live animals (external morphology). a Dorsal view, parapodia folded up on the dorsal body surface; arrow shows short yellow rod-like spots along the parapodial border b Dorsal view with detail of the rolled rhinophore indicated by an arrow c Detail of head, rhinophores, and pedal tentacles d Open parapodia with lamellae containing branches of the digestive gland and showing renopericardial area e Ventral view of bilobed oral prominence, narrow foot, and truncated black tail. Scale bars: a, d, e = 10 mm; b, c = 5 mm
Figure 6 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 6 - Plakobranchus papua. a Muscular penial bulb and stylet b Detail of the opening of the stylet. Scale bars: 100 μm.
Figure 2 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 2 - Map of West Papua and Papua, Indonesia, showing the area and locality where Plakobranchus papua specimens were collected: south Gam Island, Mangrove Creek.
Figure 8 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 8 - Phylogram of the Plakobranchus ocellatus species complex, topology derived from MrBayes analysis. Support values represent Bayesian posterior probabilities / ML. Numbers refer to GenBank codes. Red stars represent nodes with Bayesian probability values > 90 and high ML values.
Figure 5 from: Meyers-Muñoz MA, van der Velde G, van der Meij SET, Stoffels BEMW, van Alen T, Tuti Y, Hoeksema BW (2016) The phylogenetic position of a new species of Plakobranchus from West Papua, Indonesia (Mollusca, Opisthobranchia, Sacoglossa). ZooKeys 594: 73-98. https://doi.org/10.3897/zookeys.594.5954
Figure 5 - Plakobranchus papua. Schematic drawing of reproductive system (terminology after Jensen 1992). Scale bar: 250 μm. Abbreviations: ag = albumen gland, f = follicles, gr = genital receptacle, gv = gametolytic vesicle ('bursa copulatrix'), m = mucus gland, p = penial bulb, pr = prostate, s = penial stylet, vd = vas deferens.
Figure 9 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 9 - Niphargus molnari, t = telson, upI = uropod I, upII = uropod II, upIII-f = female's uropod III, upIII-m = male's uropod III.
Figure 7 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 7 - Niphargus molnari, ppIII = pereopod III, ppIV = pereopod IV, ppV = pereopod V, g = gill, oost = oostegit.
Figure 5 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 5 - Niphargus molnari, aI = antenna I, aII = antenna II, mxI = maxillaI, mxII = maxilla II, md-R = right mandibula, lm = lacinia mobilis, inc = incisor, md-L = left mandibula, lb = labium, mxpe: maxilliped.
Figure 4 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 4 - Niphargus molnari, scanning electron micrographs. A epimeral plates (Ep1-3 = epimeral plates 1-3) B honeybee-cell pattern on the exosceleton (tipical feature of amphipods) C pleopod with two retinacles (pl-r = pleopod ramus, ret = retinaculum) D retinaculi on the pleopod (ret = retinaculum) E gnathopod II propodus (prop = propodus, sup-spine = supporting spine, dact = dactylus) F palmar region of gnathopod II propodus (dent-spine = denticulated spine, sup-spine = supporting spine, n = nail, palm-spine = palmar spine).
Figure 3 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 3 - Niphargus molnari, male from the Abaligeti Cave, lateral view. Telson, mouthparts and pleopods II-III are not drawn.
Figure 16 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 16 - Niphargus gebhardti, t: telson, upI: uropod I, upII: uropod II, upIII-m: male's uropod III, upIII-f: female's uropod III.
Figure 2 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 2 - Distribution of the two species within the Abaligeti Cave. 1 Niphargus molnari along the stream of the Western 2. collateral 2 Niphargus gebhardti in a permanent pool of 'Karthago romjai' 3 Niphargus gebhardti in a permanent pool near the Akácos Sinkhole's entrance.
Figure 12 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 12 - Niphargus gebhardti, aI = antenna I, aII = antenna II, mxI = maxilla I, mxII = maxilla II, md-R = right mandibula, inc = incisor, lm = lacinia mobilis, md-L = left mandibula, lb = labium, mxpe = maxilliped.
Figure 17 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 17 - Bayesian phylogenetic tree of 104 amphipod taxa (including Niphargus molnari and Niphargus gebhardti) based on COI, 28S and histone (H3) sequences. Map represents distribution of the clade with Niphargus gebharti. Squeres represent epikarstic species and circles species from other subterranean habitats.
Figure 19 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 19 - Small pool formed by dripping water, one of the occupied microhabitats of Niphargus gebhardti in the Trió Cave.
Figure 11 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 11 - Niphargus gebhardti, scanning electron micrographs. A epimeral plates with uropods (Ep1–3 = epimeral plates 1–3, upI = uropod I, upII = uropod II, upIII-f = female's uropod III) B epimeral plates (Ep1–3 = epimeral plates 1–3) C telson (t = telson, pl-seta = plumose seta) D pleopods (plp = pleopod) E aesthetasc on antenna I (aest = aesthetasc) F pereopod VI dactylus (sl-seta = spine-like seta at the base of the nail, pl-seta = plumose seta).
Figure 10 from: Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C (2015) Redescription of two subterranean amphipods Niphargus molnari Méhely, 1927 and Niphargus gebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position. ZooKeys 509: 53-85. https://doi.org/10.3897/zookeys.509.9820
Figure 10 - Niphargus gebhardti, female from the Abaligeti Cave, lateral view. Mouthparts, rami of pleopods and telson are not drawn.
Figure 4 from: Prötzel D, Glaw F, Ruthensteiner B (2016) No longer single! Description of female Calumma vatosoa (Squamata, Chamaeleonidae) including a review of the species and its systematic position. Zoosystematics and Evolution 92(1): 13-21. https://doi.org/10.3897/zse.92.6464
Figure 4 - PCA of the species of the Calumma furcifer group (n = 12; blue diamonds), the Calumma nasutum group (n = 12; green squares), Calumma vatosoa (n = 4, red triangles) and Calumma peyrierasi (n = 4; yellow dots) based on 11 measurements/counts (SVL, TaL, LRA, RSCSV, RHWSV, ROSSC, CH, DSA, NSA, NSL and NIL of Table 1); Component 1 explains 73.93 % and Component 2 17.49 % of the variance.
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