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FIGURE 19 in Testing hypothesis of skeletal unity using bone histology: The case of the sauropod remains from the Howe-Stephens and Howe Scott quarries (Morrison Formation, Wyoming, USA)
FIGURE 19. Mounted skeleton of Galeamopus sp. SMA 0011 "Max" from Howe Scott Quarry (Howe Ranch, Wyoming, USA) on display at Sauriermuseum Aathal, Switzerland. Length of femur is 1490 mm. Image credit: Urs Möckli, Sauriermuseum Aathal.
FIGURE 8 in Testing hypothesis of skeletal unity using bone histology: The case of the sauropod remains from the Howe-Stephens and Howe Scott quarries (Morrison Formation, Wyoming, USA)
FIGURE 8. View of outer cortex of SMA 0015 "David" femur with the characteristic orange, diagenetic coloration which can be observed in all the SMA 0015 "David" samples. This image was taken from the outer cortex of SMA 0015 "David" femur.
FIGURE 8 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 8. Results of the inclusion of Vegrandichthys coitecus gen. et sp. nov. in the phylogeny of Enchodontidae using multiple phylogenetic approaches. A) The one retained tree of Enchodontidae with the Phylogenetic Morphometrics (PM) method using only landmark data, the Best Score reached = 0.04079. B) Dots in red correspond to the landmark configuration of the preopercle used to run the PMA. C) Implied Weighted Maximum Parsimony (IWMP) tree (the same tree topology with K=10 and K=100) based exclusively on discrete morphological data. D) Maximum a Posteriori (MAP) phylogeny obtained with Bayesian Inference. E) Tree obtained with the combined matrix of morphological discrete data and the landmark configuration of the preopercle, using Standard Maximum Parsimony; Best score = 316.04924. In green background is the subfamily Eurypholinae, except in A that includes Unicachichthys. Background in red is the clade formed by Parenchodus + Enchodus species. In all the phylogenetic analyses Vegrandichthys coitecus gen. et sp. nov. new is recovered as a member of the subfamily Eurypholinae along with Eurypholis and Saurorhamphus. Numbers by nodes indicate Bremmer / bootstrap (when present) values except in D, where numbers indicate the posterior probability. Full phylogenetic hypotheses and their description can be accessed in Appendix II.
FIGURE 4 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 4. Vegrandichthys coitecus gen. et sp. nov. A) A close-up of the lateral view of the head; B) Drawing of the head and pectoral girdle in lateral view. Abbreviations: aa, anguloarticular; cl, cleithrum; den, dentary; df, dilatator fossa; dpl, dermopalatine, dpl.t, dermopaltine teeth; ect, ectopterygoid; en, endopterygoid; epo, epiotic; fr, frontals; hy, hyomandibula; io, infraorbital; iosc, infraorbital sensory canal; la, lacrimal; le, lateral ethmoid; mpt, metapterygoid; msc, mandibular sensory canal; mx, maxilla; op, opercle; pa, parietals; pmf, premaxillar fenestra; pmx, premaxilla; pop, preopercle; ps, parasphenoid; pte, pterotic; ptt, posttemporal; q, quadrate; rar, retroarticular; sc, sclerotic; scl, supracleithrum; soc, supraoccipital; sop, subopercle; sp, sphenotic.
FIGURE 1 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 1. Enchodontid species from the El Chango quarry, Chiapas, Mexico; A, IHNFG-2987, holotype of Unicachichthys multidentata; B, IHNFG-5816, holotype and single specimen of Veridagon avendanoi. Scale bar equals 1 cm.
FIGURE 7 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 7. Phylogenetic relationships of Enchodontidae including Vegrandichthys coitecus gen. et sp. nov. obtained following the protocol described of the Standard of Maximum Parsimony (TL= 316, CI = 0.456, RI= 0.693). The subfamily Eurypholinae in green background and Enchodontinae in red background. Numbers by nodes indicate the supports values of Bremer/Bootstrap. Black squares indicate the presence of synapomorphic characters in Enchodontidae. Node a, Enchodontidae: presence of anteroventral prongs (36:1); absence of supraorbital bone (43:1); pelvic fin at or posterior to the dorsal fin in position (52:1); opercular and subopercular dermal pattern as tubercles (55:2). Node b: Laminar posterior limb in the ventral portion of the preopercle (50:0). Node c: Ectopterygoid teeth between six to eight teeth with the second tooth longest (12:2). Node d, Subfamily Eurypholinae: Ventral portion of cleithrum widens anteriorly and posteriorly (60:2). Node e: Laterally exposed articulation mandible-quadrate (34:1); Opercular horizontal strengthening ridge continues past posterior edge to form a spine (52:2). Node f: Mandibular dermal pattern as ridges with tubercles along each ridge (41:2); Preopercular dermal pattern as ridges with tubercles (54:2). Node q: Sigmoidal lateral view of dermopalatine teeth (16:2). Numbers by nodes show the Bremer/Bootstrap values. The subfamily Enchodontinae is only supported by homoplastic characters, therefore, we omitted them in the node description. Full description and character mapping are in Appendix II.
FIGURE 6 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 6. Scutes, scales and associated bones of Vegrandichthys coitecus gen. et sp. nov. A) Dorsal scutes series, B) close-up of the dorsal scutes region, C) close-up of the lateral line of scales, and D) drawing of the probable position and overlapping of the lateral line of scales. Abbreviations. llc, lateral lines canal; l.sc, lateral line scales; v, vertebrae. Ordinal numbers denote the number of dorsal scute. Black arrows point out each of the dorsal scutes. Red arrows point out the supraneurals.
FIGURE 5 in A long snout enchodontid fish (Aulopiformes: Enchodontidae) from the Early Cretaceous deposits at the El Chango quarry, Chiapas, southeastern Mexico: A multi-approach study
FIGURE 5. Close-up of different anatomical structures in the holotype of Vegrandichthys coitecus gen. et sp. nov. A) Pectoral girdle and fin, B) Pelvic girdle and fin, C) Dorsal fin and D) Anal fin. All anterior structures are laterally exposed. Abbreviations: cl, cleithrum; co, coracoid; dpt.a, anal fin distal pterygiophores; dra, dorsal fin rays; lw, lateral wing; pb, pelvic bone; pfr, pectoral fin rays; pp, posterior process; ppt.a, anal fin proximal pterygiophores; ppt, proximal pterygiophores; pr, pelvic rays; ra.a, anal fin rays; scl, supracleithrum; v, vertebra.
FIGURE 7. Cheiracanthus murchisoni head and branchial region morphology. 1, 2, NMS G.1884.60.3 from Tynet Burn. 3, NMS G.2019.9.24 from Cruaday Quarry, Orkney. 4, NRM P1651 from Gamrie, sclerotic ring. 5, NRM P1654 from Tynet Burn, sclerotic ring. 6, NMS G.2000.65.2 from Tynet Burn. 7, NMS G.2019.14.2 from Tynet Burn. 8, 9, NRM P1560 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 7. Cheiracanthus murchisoni head and branchial region morphology. 1, 2, NMS G.1884.60.3 from Tynet Burn. 3, NMS G.2019.9.24 from Cruaday Quarry, Orkney. 4, NRM P1651 from Gamrie, sclerotic ring. 5, NRM P1654 from Tynet Burn, sclerotic ring. 6, NMS G.2000.65.2 from Tynet Burn. 7, NMS G.2019.14.2 from Tynet Burn. 8, 9, NRM P1560 from Gamrie: 8, detail of branchiostegal rays; 9, impression of spiracular valve. Scale bars equal 10 mm in 1, 3, 6, 7; 5 mm in 4, 5; 2 mm in 8, 9. addf adductor muscle fossa; artc, articular cotylus; br, branchiostegal rays; ch, ceratohyal; gr, gular rays; Mc, Meckel's cartilage; pdbr, posterodorsal branchiostegal rays; pq, palatoquadrate; pqv, palatoquadrate vacuity; pregl, preglenoid process; scl, sclerotic plate; t-l, tooth-like elements. Arrows indicate anterior.
Figure 3. Quarry B in Geology, microstratigraphy, and paleontology of Truckee Formation lacustrine diatomite deposits near Hazen, Nevada, USA, with emphasis on fossil stickleback fish
Figure 3. Quarry B, facing north-northeast and showing dark layers of volcanic ashes in the upper portion of the stratigraphy. Photograph taken by MAB.
Fig. 5. Entactiniid radiolarians from the Kowala Quarry, set H−3 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 5. Entactiniid radiolarians from the Kowala Quarry, set H−3, earliest Famennian (Middle Pa. triangularis Zone), sample Kw−154, all × 150. A, D. Astroentactinia corynacantha. B, C. Trilonche assidera. E, F. Astroentactinia aff. paronae. G, H. Radiobiosphaera menneri. All SEM micrographs.
Fig. 6. Entactiniid radiolarians from the Kowala Quarry, set H−3 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 6. Entactiniid radiolarians from the Kowala Quarry, set H−3, earliest Famennian (Middle Pa. triangularis Zone), sample Kw−154, all × 150. A. Trilonche aculeatissima. B, C, E, H. Trilonche echinata. D, J.?Trilonche echinata. F, K. Trilonche cf. echinata. G.?Trilonche assidera. I. Trilonche australis. All SEM micrographs.
Text-fig. 2. Studied section at the Ďurkovec quarry. Note the co-occurrence of bryozoans and decapod crustaceans. in The Priabonian Bryozoan-Decapod Association From The Borové Formation (The Ďurkovec Quarry, Ne Slovakia) And Its Palaeoecological Implications
Text-fig. 2. Studied section at the Ďurkovec quarry. Note the co-occurrence of bryozoans and decapod crustaceans.
Text-fig. 2. Gemmacrinus perplexus PROKOP et PETR, 1989. A – Specimen NM-L31684; cavity of the conch of gastropod Epiptychia? PERNER, 1911 with preserved calyxes of crinoid Gemmacrius perplexus PROKOP et PETR, 1989. Scale bar represents 5 mm. B – The same specimen; best preserved calyx in detail. Lower Devonian, Pragian, Koněprusy Limestone, Suchomasty, "Na Plešivci" quarry. Scale bar represents 1 mm. in Unique Discovery Of The Crinoid Gemmacrinus Perplexus Prokop Et Petr, 1989 In The Lower Devonian, Koněprusy Limestone (Barrandian Area, The Czech Republic)
Text-fig. 2. Gemmacrinus perplexus PROKOP et PETR, 1989. A – Specimen NM-L31684; cavity of the conch of gastropod Epiptychia? PERNER, 1911 with preserved calyxes of crinoid Gemmacrius perplexus PROKOP et PETR, 1989. Scale bar represents 5 mm. B – The same specimen; best preserved calyx in detail. Lower Devonian, Pragian, Koněprusy Limestone, Suchomasty, "Na Plešivci" quarry. Scale bar represents 1 mm.
Text-fig. 1. Map of the study area showing the Pioneer Quarry locality (49º39'53.9" N, 129º34'00.1" E). in In Situ Pollen Of Alasia, A Supposed Staminate Inflorescence Of Trochodendroides Plant
Text-fig. 1. Map of the study area showing the Pioneer Quarry locality (49º39'53.9" N, 129º34'00.1" E).
Text-fig. 9A. Eospondylus cf. primigenius (STÜRTZ) "Červený lom" quarry near Praha-Klukovice, Loděnice Limestone, Lower Devonian, Pragian, NM L 36910, x 40. Left lateral plate. Inner surface view from below. The spine ridge faces distally (posteriorly) and has blunt pointed denticles. Anterior and parallel to denticled part of spine ridge is internal rounded ridge. Ventrolaterally ossicle has slit-like sockets for groove spines. in Isolated Ossicles Of The Family Eospondylidae Spencer Wright, 1966, In The Lower Devonian Of Bohemia (Czech Republic) And Correction Of The Systematic Position Of Eospondylid Brittlestars (Echinodermata: Ophiuroidea: Oegophiurida)
Text-fig. 9A. Eospondylus cf. primigenius (STÜRTZ) "Červený lom" quarry near Praha-Klukovice, Loděnice Limestone, Lower Devonian, Pragian, NM L 36910, x 40. Left lateral plate. Inner surface view from below. The spine ridge faces distally (posteriorly) and has blunt pointed denticles. Anterior and parallel to denticled part of spine ridge is internal rounded ridge. Ventrolaterally ossicle has slit-like sockets for groove spines.
Text-fig. 7A. Eospondylus primigenius (STÜRTZ) Bundenbach, Eschenbach-Bocksberg quarry, Lower Devonian, Lower Emsian (Zlichovian), Hunsrück Slate, BMNH E3353, x 3. Extreme horizontal arm bending: Arm loop with half-twist in Hunsrück Slate. In the proximal part of the arm the view is of the upper surface, but after the loop the view is of the lower surface. Seven arm segments (six articulations) bend 180 degrees, indicating 30 degrees of bend per articulation. in Isolated Ossicles Of The Family Eospondylidae Spencer Wright, 1966, In The Lower Devonian Of Bohemia (Czech Republic) And Correction Of The Systematic Position Of Eospondylid Brittlestars (Echinodermata: Ophiuroidea: Oegophiurida)
Text-fig. 7A. Eospondylus primigenius (STÜRTZ) Bundenbach, Eschenbach-Bocksberg quarry, Lower Devonian, Lower Emsian (Zlichovian), Hunsrück Slate, BMNH E3353, x 3. Extreme horizontal arm bending: Arm loop with half-twist in Hunsrück Slate. In the proximal part of the arm the view is of the upper surface, but after the loop the view is of the lower surface. Seven arm segments (six articulations) bend 180 degrees, indicating 30 degrees of bend per articulation.
Text-fig. 1. Eospondylus primigenius (STÜRTZ) Bundenbach, Eschenbach-Bocksberg quarry, Lower Devonian, Lower Emsian (Zlichovian), Hunsrück Slate, specimens PWL 1996 57LS (NMM) top image (A) x 1.5, and PWL 1996 66LS (NMM) bottom image (B) x 1.7. Specimen with rays bent into strong curves. Such flexibility and attitudes of rays differentiate the behavioral ecology of Eospondylus from all other Hunsrück Slate ophiuroids. Delicateness of the top specimen and robustness of the bottom specimen is perhaps the combined result of real phenotypic differences, differences of preserved detail, and differences of distortion of the rock. [courtesy of Herbert Lutz and Thomas Engel; photos by Alexander Glass]. in Isolated Ossicles Of The Family Eospondylidae Spencer Wright, 1966, In The Lower Devonian Of Bohemia (Czech Republic) And Correction Of The Systematic Position Of Eospondylid Brittlestars (Echinodermata: Ophiuroidea: Oegophiurida)
Text-fig. 1. Eospondylus primigenius (STÜRTZ) Bundenbach, Eschenbach-Bocksberg quarry, Lower Devonian, Lower Emsian (Zlichovian), Hunsrück Slate, specimens PWL 1996 57LS (NMM) top image (A) x 1.5, and PWL 1996 66LS (NMM) bottom image (B) x 1.7. Specimen with rays bent into strong curves. Such flexibility and attitudes of rays differentiate the behavioral ecology of Eospondylus from all other Hunsrück Slate ophiuroids. Delicateness of the top specimen and robustness of the bottom specimen is perhaps the combined result of real phenotypic differences, differences of preserved detail, and differences of distortion of the rock. [courtesy of Herbert Lutz and Thomas Engel; photos by Alexander Glass].
Fig. 8. Tipulomorpha from the Solite quarries. a in How Time Flies for Flies: Diverse Diptera from the Triassic of Virginia and Early Radiation of the Order
Fig. 8. Tipulomorpha from the Solite quarries. a. Architipula youngi Krzemiński YPM 35986 (Architipulinae) b. Metarchilimonia solita Blagoderov and Grimaldi, VMNH 3013. c. Metarchilimonia krzeminskorum, VMNH 3672. d. Metarchilimonia krzeminskorum Blagoderov and Grimaldi, VMNH 732. Scales 5 0.5 mm.
Quarry
Low poly quarry Source: Objaverse 1.0 / Sketchfab
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