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Showing results for tags 'solnhofen formation'.
Found 14 results
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From the album: Vertebrates
Macrosemimimus fegerti SCHROEDER et al., 2012 Upper Jurassic Lower Tithonian Ettling Germany Length 20cm / 8" Picture under UV light -
Three species of Thylacocephala have been described from the Solnhofen Formation (“Solnhofen lithographic limestones”) so far: Clausocaris lithographica, Dollocaris michelorum, and Mayrocaris bucculata. A fourth new genus and species was newly described in 2019: Falcatacaris bastelbergeri. References: Braig, Florian, Haug, Joachim T., Schädel, Mario, and Haug, Carolin (2019): A new thylacocephalan crustacean from the Upper Jurassic lithographic limestones of southern Germany and the diversity of Thylacocephala. Palaeodiversity, 12(1) : 69-87
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Around Solnhofen at least four species of coelacanth have been recorded: Coccoderma nudum REIS 1888, Holophagus penicillata EGERTON 1861, Libys superbus ZITTEL & REIS 1888 and Macropoma willemoesii VETTER 1881 Coccoderma nudum is the smallest of these 4 species with barely more than 30cm. References: Reis, O. M. (1888) Die Coelacanthinen mit besonderer Berücksichtigung der im Weißen Jura Bayerns vorkommenden Gattungen. Palaeontographica 35, p 1-96.
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From the album: Vertebrates
Allothrissops salmoneus Blainville, 1818 Upper Jurassic Schamhaupten Germany -
From the album: Vertebrates
Propterus microstomus Agassiz 1833 Upper Jurassic Tithonian (Malm zeta) Eichstätt Germany Length 5,5cm -
From the album: Invertebrates
Alcmonacaris winkleri POLZ, 2003 Upper Jurassic Tithonian (Malm zeta) Schernfeld Germany -
References: Charbonnier S. & Garassino A. 2012. — The marine arthropods from the Solnhofen Lithographic Limestones (Late Jurassic, Germany) in the collections of the Muséum national d’Histoire naturelle, Paris. Geodiversitas 34 (4): 857-871. http://dx.doi.org/10.5252/g2012n4a8
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References: Arratia,G. (1997) Basal teleosts and teleostean phylogeny. Palaeo Ichthyologica, 7: 5–168
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From the album: Vertebrates
'Furo' angustus (MÜNSTER, 1842) Late Jurassic Tithonian Zandt Bavaria Germany Length: 12cm P. Lambers (1998): THE GENUS FURO (PISCES HALECOMORPHI) FROM THE UPPER JURASSIC PLATTENKALKE OF GERMANY. ORYCTOS, Vol. 1 :23-35 -
From the album: Vertebrates
Leptolepides haertesi ARRATIA, 1997 Late Jurassic Tithonian Zandt Germany Length: 9cm -
Taxonomy from GBIF.org. Diagnosis (from Arratia 1997): "Small, elongated teleost with a known maximum length of 65 mm. Head length 23–27% of standard length. Ethmoidal region about 24% of head length. With middle pit-line groove running onto pterotic. Two supraorbital bones, the first one expanded anteroventrally. Preopercular limbs form an angle of 90°. Quadrate-mandibular articulation placed below center of orbit. Dorsal fin origin anterior to pelvic fin origin. Origin of dorsal fin at 54–63% of standard length. Origin of anal fin at 84–88 % of standard length. With 45 or 46 vertebrae. Pectoral fin rays 15–19, pelvic fin rays 10–11, dorsal fin rays 15–16, anal fin rays 9. Complex epipleural bones bearing two or three thin projections about midlength of vertebral column." Leptolepides haerteisi A GG21.193 from Zandt, line drawing of the head (from Konwert 2016, p. 58): Identified by oilshale. References: Arratia G. (1997) Basal teleosts and teleostean phylogeny. Palaeo Ichthyologica, Volume 7, 168 pp. Konwert, Martin (2016): First record of Leptolepides haerteisi (Teleostei, Orthogonikleithridae) from the Upper Jurassic Plattenkalks of chamhaupten (Bavaria, Germany) Archaeopteryx 33: 54-61, Eichstätt 2016
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Several Late Jurassic macrosemiids are known from the Solnhofen limestones, including at least Notagogus, Histionotus, Voelklichthys and two species of Propterus. References: Gloria Arratia and Hans-Peter Schultze (2012): The macrosemiiform fish companion of the Late Jurassic theropod Juravenator from Schamhaupten, Bavaria, Germany. Fossil Record 15 (1) 2012, 5–25 / DOI 10.1002/mmng.201200001
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old name: Eryon arctiformis (von Schlotheim, 1820) References: Charbonnier S., Garassino A., Pacaud J.-M. & Schweigert G. 2012. — Rediscovery of the type material of Eryon cuvieri Desmarest, 1817 (Crustacea, Decapoda, Eryonidae) and nomenclatural consequences. Geodiversitas 34 (4): 849-855. http://dx.doi.org/10.5252/g2012n4a7
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Taxonomy from Fossilworks.com. Diagnosis from Poyato-Ariza & Wenz 2004, p. 370: "Turbomesodon presenting the following unique combination of primitive and derived characters: dorsal apex at the point of insertion of the dorsal fin; ventral apex absent; coronoid process high, with straight dorsal border; about 32 vertebrae (epichordal elements excluding those of the caudal endoskeleton); first one or two dorsal axonosts not supporting fin rays (one or two free dorsal axonosts present); about 39 dorsal and 30 anal axonosts; caudal fin double emarginated; dorsal and anal fins sigmoid in contour, placed at 60-69 % of standard length; pelvic fins at 45-55 % of standard length; some anterior dorsal ridge scales eventually separated from each other; 17-20 ventral keel scales; 6 postcloacal ventral keel scales; up to 5 spines on contour scales; spines on each ventral keel scale in contact with each other; supracloacal scale ventrally in contact with cloacal scales only" References: Poyato-Ariza, F. & Wenz, S.(2004): The new pycnodontid fish genus Turbomesodon, and a revision of Macromesodon based on new material from the Lower Cretaceous of Las Hoyas, Cuenca, Spain. Mesozoic Fishes 3 - Systematics, Paleoenvironments and Biodiversity, G. Arratia & A. Tintori (eds.): pp. 341-378,15 figs., 1 tab., 3 apps. Ebert M, Kölbl-Ebert M, Lane JA (2015) Fauna and Predator-Prey Relationships of Ettling, an Actinopterygian Fish-Dominated Konservat-Lagerstätte from the Late Jurassic of Southern Germany. PLoS ONE 10(1): e0116140. doi:10.1371/ journal.pone.0116140
