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Fig. 6 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 6. Phylogenetic relationships of lungfishes. 50% majority rule consensus of three equally parsimonious trees at 39 steps (CI = 0.6154, RI = 0.6809) with bootstrap values on branches. The lungfish group has grey branches and other Devonian sarcopterygians (outgroups) have black branches.

Fig. 3 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 3. Micro-CT-scan 3D model of the palate and neurocranial cavities (preserved as pyrite concretions) of the lungfish Scaumenacia curta (Whiteaves, 1881) (MHNM 04-728A) from the Escuminac Formation, middle Frasnian, Upper Devonian at Miguasha, Quebec, Canada. A. 3D model in dorsal view (A1), interpretative drawing (A2). B. 3D model in ventral view (B1), interpretative drawing (B2). Black lines, dermal bones outlines; red lines, pyrite concretions; pink infilling, interpreted as neurocranial parts.

Fig. 2 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 2. Micro-CT-scan 3D model of the skull and pectoral girdle of the lungfish Scaumenacia curta (Whiteaves, 1881) (MHNM 04-243) from the Escuminac Formation, middle Frasnian, Upper Devonian at Miguasha, Quebec, Canada. Right (A1) and left (A2) side in lateral view; dorsal (A3) and ventral (A4) views.

Fig. 5 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 5. Skull and anterior part of postcranial skeleton of the lungfish Pentlandia macroptera (Traquair, 1888) (NMS G.2022.10.436.1) from Eday Flags, Givetian (Middle Devonian) at Herston Taing, South Ronaldsay, Orkney, UK. Specimen in dorsal view (A1), external view of the skull roof and part of the ossified neurocranium (A2; microCTscan rendering, viewed in Drishti Render).

Fig. 4 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 4. Micro-CT-scan 3D model of the palate and neurocranial cavities (preserved as pyrite concretions) of the lungfish Scaumenacia curta (Whiteaves, 1881) (MHNM 04-728A) from the Escuminac Formation, middle Frasnian, Upper Devonian at Miguasha, Quebec, Canada. A. 3D model in right lateral view (A1), interpretative drawing (A2). B. 3D model in left lateral view (B1), interpretative drawing (B2).

Fig. 1 in Paedomorphosis and neurocranial ossification in two Devonian lungfishes

Fig. 1. Skulls of the lungfish Scaumenacia curta (Whiteaves, 1881) from the Escuminac Formation, middle Frasnian, Upper Devonian at Miguasha, Quebec, Canada. A. MHNM 04-728A, right side in lateral view (A1) and dorsal view (A2); whitened with ammonium chloride. B. MHNM 04-243, left side in lateral view (B1) and dorsal view (B2). Scale bars 10 mm.

opencc-by-4.0Jun 2016View details →

Fig. 2 in A new case of facultative paedomorphosis in Smooth Newts, Lissotriton vulgaris (Caudata: Salamandridae), in Turkey

Fig. 2. The general view of habitat (A) and a male paedomorphic Lissotriton vulgaris (B, C) from Lake Sazlı (Izmir, Turkey). The arrows show the cloaca (B) and the gills (C).

opencc-by-4.0Oct 2022View details →

Additional set of photos for the publication "The oldest case of paedomorphosis in rove beetles: a new genus of Paederinae from Cretaceous amber (Coleoptera: Staphylinidae)"

<p>Additional set of photos of two specimens of extinct <em>Midinudon juvenis</em>  Tokareva & Żyła gen. et sp. nov. (Coleoptera: Staphylinidae) in Burmese amber. Accession codes of specimens in the collection of the Leibniz Institute for the Analysis of Biodiversity Change are GPIH05515 and GPIH05516.</p>

Figure 25 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 25 Paedolohmannia metzin. sp., larva: A – dorsal view (legs not shown); B – lateral view (legs represented only by trochanters, palp tarsus not shown); C – ventral view (legs and palp as in B); D – posterior view of hysterosoma; E – subcapitulum, ventral view; F – chelicera, abaxial view; G – palp, abaxial view. Scale bars 50 µm (A-D, to same scale); 20 µm (E-G, to same scale).

Figure 20 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 20 Paedolohmannia metzin. sp., adult: A – dorsal view (legs not shown); B – ventral view (only leg trochanters shown). Scale bar 100 µm.

Figure 17 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 17 Eulohmannia bifurcataFujikawa, paratypes: A – paratype 13643A, habitus (indicating positions of B–D); B – posterior region of hysterosoma, ventrolateral view; C – marginal region of notogaster, above bandna; D – proterosoma dorsal to trochanters I, II; E – paratype 13644A, ventral habitus (indicating positions of F, G); F – lateral region of epimeres I and II (insert = posterolateral corner of II, deeper focus) G – posterolateral region of hysterosoma; H – paratype 13643B, posterior left corner of notogaster, dorsal view (*, ** indicate internal tissues or medium artifacts apparently mistaken forgla andip, respectively). Scale bars 100 µm (A, E); 20 µm (B, G); 10 µm (C, D, F, H).

Figure 13 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 13 Eulohmannia ribagai(Berlese): A – protonymph, right leg I, abaxial view; B – protonymph, left leg IV, abaxial view; C – deutonymph, right tarsus I, abaxial view (slightly rotated dorsad); D – deutonymph, left leg IV, abaxial. Scale bars 20 µm (A, B, D to same scale); 10 µm (C).

Figure 16 A-F in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 16 A-F. Eulohmannia ribagai(Berlese): A – contents of esophagus (left) and accumulating food bolus in ventriculus (right) in strongly cleared adult (arrows to plant tracheal fragments); B – food bolus in ventriculus of cleared Tn (Germany); C – partially filled bolus in colon of slightly cleared adult, two focal planes (Sweden; white arrow to gelatinous outer layer, black arrows to possible bryophyte spores); D fecal pellet in postcolon of adult (arrow to fungal hypha); E – fecal pellet in postcolon of adult (Nova Scotia); F – fecal pellet in postcolon of adult (Alberta) with microsporidians in cleared gut wall (insert = enlargement of microsporidians, 2 µm long). G-L. Eulohmannia bifurcata Fujikawa, holotype (13642): G – habitus, with rectangles marking location of other images; H – region of podocephalic canal, ventral to top (right insert = enlarged setaeI); I – empodium of pretarsus IV; J – chelicera, abaxial view (insert = enlargement of cotyloid region, arrow on edge of articulating cuticle); K – rutellum, ventral view; L – distal part of tarsus I, midline focus (image inverted vertically for consistency); M – palp tarsus, abaxial (top), adaxial (bottom). Scale bars 100 µm (G); 20 µm (A-F all to same scale); 10 µm (H, J); 5 µm (K-M); 2 µm (I).

Figure 10 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 10 Eulohmannia ribagai(Berlese): A – larva, subcapitulum, ventral view, palps omitted; B – protonymph, adoral lip; C – deutonymph, subcapitulum, ventral view, one palp omitted; D – tritonymph, rutellum, ventral view; E – larva, palp, abaxial view; F – same, enlarged tarsus; G – larva, chelicera, abaxial view; H – tritonymph, chelicera, adaxial view. Scale bars 20 µm (A-E, G, H); 5 µm (F).

Figure 21 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 21 Paedolohmannia metzin. sp., adult: A – lateral view (legs represented only by trochanters, palp lacking tibia and tarsus); B – posterior view of hysterosoma; C – subcapitulum, ventral view; D – chelicera, adaxial view; E – palp, abaxial view (* marks superficial crease between fused femur and genu). Scale bars 100 µm (A); 50 µm (B); 20 µm (C-E).

Figure 7 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 7 Eulohmannia ribagai(Berlese): A – seta c1 of larva; B – seta c1 of adult; C – adult, metapodosomal region, lateral view of cleared specimen; D – same, closeup of leg IV region; E – same, surface closeup of leg III region; F – same as E, but deeper focus to show apodemes; G – left sejugal apodeme and apodeme III, dorsal view; H – adult, ventral aspect, region near leg IV insertion (specimen from Alberta). Scale bars 20 µm (C, H); 10 µm (A, B, D-G).

Figure 5 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 5 Eulohmannia ribagai(Berlese): A – larval bothridium, dorsomedial view (only one of two saccules visible); B – deutonymph, bothridial saccules; C – adult, bothridium, dorsomedial view; D – adult, rostral tectum, sagittal view; E –sejugal articulation of extended specimen, dorsal midline (sagittal section), anterior to right; F – same, but contracted specimen; G – as in E, but ventral midline; H – bothridial region, dorsolateral view. Scale bars 10 µm (H); 5 µm (A-G).

Figure 4 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 4 Eulohmannia ribagai(Berlese), nymphs (appendages incompletely shown): A – protonymph, ventral view (prodorsum incomplete); B – deutonymph, ventral view of hysterosoma; C – tritonymph, dorsal view; D – tritonymph, ventral view; E – tritonymph, partial dorsal view of gastronotum showing artifactual transverse crease (see text, R3). Scale bars 100 µm: A, B to same scale, C-E to same scale.

Figure 15 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 15 Eulohmannia ribagai(Berlese): A – pretarsus of leg IV, deutonymph, lateral view; B – distal part of tarsus IV, adult (insert = enlargement of vestigial empodial claw); C – postpalpal seta of NY larva (top) and adult from Sweden (bottom); D – famulus of tritonymph abaxial view (with insertion of broken setaft"); E – same, adult from Cape Breton; F – same, adult from Sweden; G – larva, partial dorsal view of right genu I; H – larva, left tarsus I, ventral view (setaea" andpl" out of focus); I – same, deutonymph (setaplʹ out of focus); J – same, tritonymph; K – adult from Sweden, left tarsus I, adaxial view; L – same, but right tarsus, abaxial view; M – adult, lower portion of left tarsus I, adaxial view; N – microsculpture of tarsus I. Scale bars 20 µm (K, L); 10 µm (H-J, M); 5 µm (A, B, D-F); 2 µm (C, G, N).

Figure 3 in Paedomorphosis and sexuality in Eulohmanniidae (Acari, Oribatida): surprising diversity in a relictual family of oribatid mites

Figure 3 Eulohmannia ribagai(Berlese), larva (appendages incompletely shown): A – dorsal view B – posterior view of hysterosoma; C – ventral view; D – lateral view. Scale bar 100 µm.