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205 results for “Middle Devonian”
Fig. 3. Viaphacops venezuelensis, n in A Middle Devonian Trilobite Assemblage from Venezuela
Fig. 3. Viaphacops venezuelensis, n. sp., holotype, MBLUZ P33, internal mold of cephalon. (A) Dorsal view; (B) frontal view; (C) lateral view; (D) oblique dorsolateral view of right side.
Fig. 1 in A Middle Devonian Trilobite Assemblage from Venezuela
Fig. 1. Locality map of the Caño Colorado Area, Perijá Mountains, Zulia State, Venezuela, with insert map of northern South America. Approximate limit of Perijá Mountains indicated by stronger dashed line.
Fig. 2 in A Middle Devonian Trilobite Assemblage from Venezuela
Fig. 2. Geological column for the Caño del Oeste Formation, Caño Colorado Area, Perijá Mountains, Zulia, Venezuela (after Benedetto, 1984), showing the approximate stratigraphic levels of the trilobites described in this study.
Fig. 5 in A Middle Devonian Trilobite Assemblage from Venezuela
Fig. 5. (A, B) Rhenops odremani, n. sp. Paratype, MBLUZ P985; internal mold of pygidium. (A) dorsal view; (B) lateral view. (CE) Greenops perijaensis, n. sp., latex cast of external mold in the holotype, MBLUZ P1448. (C) Dorsal view; (D) frontal view; (E) lateral view.
FIG. 6 in Middle Devonian Calceola sandalina (Linnaeus, 1771) (Anthozoa, Rugosa) from Moravia (Czech Republic): aspects of functional morphology, gerontic growth patterns, and epibionts
FIG. 6. — Calceola sandalina (Linnaeus, 1771), all specimens are whitened with ammonium chloride prior the photographing except the thin sections; A, B, specimen ICh 3483, Chlupáč collection, Czech Geological Survey, Eifelian, Petrovice, latex cast; A, calicinal view; B, "ventral" view; C-E, three specimens ICh 3482 A-C, same collection and locality, steinkerns of opercula; F-I, specimen 29, Strnad collection, Silesian Museum Opava (figured in Strnad 1960: figs 1, 2); Eifelian, Horní Benešov; F, "dorsal" view; G, "ventral" view; H, lateral view; I, calicinal view; J, specimen 2/13 (13SL), Givetian, Čelechovice, SL, adult specimen with operculum in situ; K; specimen 107, unknown locality in Čelechovice (Givetian), juvenile operculum; L-N, specimen AG 932 A-C, coll. Galle, Geological Institute Academy of Science, unknown locality in Čelechovice (Givetian); L, transverse section nearer to calice; M, transverse section nearer to apex, senile closing of the calice is visible; N, longitudinal section through counter-cardinal plane; free spaces under the tabulae or tabellae; O, specimen AG 1436 C, coll. Galle, Geological Institute Academy of Science (figured in Galle 1995: pl. 4, figs 1-3); Borehole KDH-9, vicinity of Konice, close to Eifelian/Givetian boundary; transverse section through deformed specimen. Abbreviations: RL, Růžičkův lom Quarry; SL, Státní lom Quarry. Photos by Mrs. Hana Vršt'alová, thin sections by Mrs. Dana Hejdová (Central Geological Survey, Prague). Scale bars: A-J, L-O, 10 mm; K, 1 mm.
FIG. 2 in Middle Devonian Calceola sandalina (Linnaeus, 1771) (Anthozoa, Rugosa) from Moravia (Czech Republic): aspects of functional morphology, gerontic growth patterns, and epibionts
FIG. 2. — Corallite growth of adult (15SL, 19SL, 9SL, 17SL) and gerontic (1RL, 2RL, 5RL, 16SL) specimens expressed as L/W ratio (L and W in mm), Čelechovice, note width decrease on the curve of the specimen 15SL (= rejuvenation, see Fig. 5E-H). For further explanations see Fig. 1. Abbreviations: RL, Růžičkův lom Quarry; SL, Státní lom Quarry.
FIG. 1 in Middle Devonian Calceola sandalina (Linnaeus, 1771) (Anthozoa, Rugosa) from Moravia (Czech Republic): aspects of functional morphology, gerontic growth patterns, and epibionts
FIG. 1. — Corallite growth of juvenile specimens (20, 21, 24, 28, 103SL) expressed as L/W ratio (L and W in mm), Čelechovice, measurements begin 1 mm after the preserved apex of the corallite; this caused the beginnings of respective lines at various widths. Abbreviation: SL, Státní lom Quarry.
FIG. 3 in Middle Devonian Calceola sandalina (Linnaeus, 1771) (Anthozoa, Rugosa) from Moravia (Czech Republic): aspects of functional morphology, gerontic growth patterns, and epibionts
FIG. 3. — Freeing of Calceola out of the sediment; A, coral deep in sediment; B, center of gravity shifts forward and calice moves downward by opening the operculum, apex moves upward and sediment particles pour under apical part; C, operculum close, center of gravity shifts backward, calice moves upward and sediment particles pour under calicinal part. Animal moved upward.
Text-fig. 2. General geological map of the Emsian (Suchomasty Limestone) and Eifelian (Acanthopyge Limestone) rocks at Zadní Kobyla ridge with marked Calceola- and trilobite-bearing locality. Modified after Svoboda and Prantl (1949) and Mergl (2014). in Trilobite Assemblage Of Calceola -Bearing Beds In Acanthopyge Limestone (Choteč Formation, Middle Devonian, Eifelian, Prague Basin, The Czech Republic)
Text-fig. 2. General geological map of the Emsian (Suchomasty Limestone) and Eifelian (Acanthopyge Limestone) rocks at Zadní Kobyla ridge with marked Calceola- and trilobite-bearing locality. Modified after Svoboda and Prantl (1949) and Mergl (2014).
Text-fig. 5. A pie chart of trilobite taxa abundance at Zadní Kobyla – small quarry outcrop (Calceola-bearing locality). in Trilobite Assemblage Of Calceola -Bearing Beds In Acanthopyge Limestone (Choteč Formation, Middle Devonian, Eifelian, Prague Basin, The Czech Republic)
Text-fig. 5. A pie chart of trilobite taxa abundance at Zadní Kobyla – small quarry outcrop (Calceola-bearing locality).
Text-fig. 1. Sketch map of the Devonian of the Prague Basin, and generalised stratigraphy of the Koněprusy Limestone (Pragian), Suchomasty Limestone (Upper Emsian), Acanthopyge Limestone (Eifelian) and the top of the Acanthopyge Limestone and the Srbsko Formation (transition Eifelian-Givetian) in the Koněprusy area (with marked neptunian dykes and approximate positions of Calceola-bearing limestone beds). Modified after Chlupáč et al. (1986), Hladil et al. (1992) and Mergl (2014). in Trilobite Assemblage Of Calceola -Bearing Beds In Acanthopyge Limestone (Choteč Formation, Middle Devonian, Eifelian, Prague Basin, The Czech Republic)
Text-fig. 1. Sketch map of the Devonian of the Prague Basin, and generalised stratigraphy of the Koněprusy Limestone (Pragian), Suchomasty Limestone (Upper Emsian), Acanthopyge Limestone (Eifelian) and the top of the Acanthopyge Limestone and the Srbsko Formation (transition Eifelian-Givetian) in the Koněprusy area (with marked neptunian dykes and approximate positions of Calceola-bearing limestone beds). Modified after Chlupáč et al. (1986), Hladil et al. (1992) and Mergl (2014).
Figure 8 in The postcranial anatomy of two Middle Devonian lungfishes (Osteichthyes, Dipnoi) from Mt. Howitt, Victoria, Australia
Figure 8. Reconstructions of postcranial skeletons: a, Barwickia and b, Howidipterus. Paired elements such as pleural and cranial ribs are drawn in full.
Figure 5 in The postcranial anatomy of two Middle Devonian lungfishes (Osteichthyes, Dipnoi) from Mt. Howitt, Victoria, Australia
Figure 5. Barwickia downunda, features of postcranial skeleton: a, MV P181784; b, interpretive drawing of same.
Figure 2 in The postcranial anatomy of two Middle Devonian lungfishes (Osteichthyes, Dipnoi) from Mt. Howitt, Victoria, Australia
Figure 2. Howidipterus donnae: a, photograph of MV P181792; b, interpretive drawing of MV P198045; c, MV P198042, sketch interpretation of large specimen, slightly disarticulated.
Figure 7 in The postcranial anatomy of two Middle Devonian lungfishes (Osteichthyes, Dipnoi) from Mt. Howitt, Victoria, Australia
Figure 7. Barwickia downunda: a, photograph and b, interpretive drawing of MV P181868, details of anterior vertebral elements.
Fig. 3. Confractamnis johnjelli n.gen. and n in A New Middle Devonian Arthrodire (Placoderm Fish) from the Broken River Area, Queensland
Fig. 3. Confractamnis johnjelli n.gen. and n.sp.
FIG. 5 in The late Givetian (Middle Devonian) ammonoid Epitornoceras Frech, 1902 from Argentina (southwestern Gondwana)
FIG. 5. — Morphological terms used in the description of the ammonoid conchs.
FIGURE 32 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 32. Cheiracanthus latus head and branchial region reconstruction.
FIGURE 23 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 23. Cheiracanthus grandispinus head and branchial region reconstruction.
FIGURE 14 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 14. Cheiracanthus murchisoni head and branchial region reconstruction.
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