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From the album: Vertebrates
Rhadinichthys sp. Lower Carboniferous Albert Shale Formation Hillsborough New Brunswick Canada Length 10cm-
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Weird ancient tree from before dinosaurs found in New Brunswick, Canada, quarry
Oxytropidoceras posted a topic in Fossil News
Rare 3D fossils show that some early trees had forms unlike any you've ever seen Cell Press, February 2, 2024, ScienceDaily Weird ancient tree from before dinosaurs found in Canadian quarry Before age of dinosaurs, plants experimented with bizarre forms, discovery shows Emily Chung · CBC News · Posted: Feb 02, 2024 The open access paper is; Robert A. Gastaldo, Patricia G. Gensel, Ian J. Glasspool, Steven J. Hinds, Olivia A. King, Duncan McLean, Adrian F. Park, Matthew R. Stimson, Timothy Stonesifer. Enigmatic fossil plants with three-dimensional, arborescent-growth architecture from the earliest Carboniferous of New Brunswick, Canada. Current Biology, 2024; DOI: 10.1016/j.cub.2024.01.011 DOI:https://doi.org/10.1016/j.cub.2024.01.011 Yours, Paul H.-
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From the album: Vertebrates
Rhadinichthys sp. Lower Carboniferous Albert Shale Formation Hillsborough New Brunswick Canada Length 9cm-
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From the album: Vertebrates
Rhadinichthys sp. Lower Carboniferous Albert Shale Formation Hillsborough New Brunswick Canada Length 10cm- 1 comment
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From the album: Vertebrates
Rhadinichthys sp. Lower Carboniferous Albert Shale Formation Hillsborough New Brunswick Canada- 1 comment
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Taxonomy from Fossilworks.org. Rhadinichthys was an (elongate-)fusiform fish with an oblique suspensorium and large gape. The body scales are rhomboid, and usually denticulated posteriorly. There are two rows of teeth, an inner set of incurved conical teeth and an outer set of small teeth. Jackson 1851 described several fishes from the Albert Formation of New Brunswick, including Rhadinichthys (Palaeoniscus) alberti, R. brownii and R. cairnsii. Mickle 2017 remarks on p. 52: "There are many problems with Jackson’s (1851a, b) original description. First, many of the features included in the description are common to lower actinopterygians (such as a single triangular dorsal fin and bifurcated caudal fin) and therefore uninformative. Other details, such as the color of the scales and absence of information on the gill plates or the vertebral column, do not add relevant information to the description." and further on p. 54: "Six species have been described from the Albert Formation, but the validity of the majority of these species has been questioned. The type specimens are either unknown, or poorly preserved. On top of this, the Albert Formation palaeoniscoids have been assigned to genera that are poorly understood, represented by poor type material, and are known to be paraphyletic." References: Jackson, C. T. (1851a) Report on the Albert Coal Mine, in: Reports on the geological relations, chemical analysis and microscopic examination of the Albert Coal Mining Company situated in Albert County, New Brunswick, New York, C. Vinten, 48 pp. Jackson, C. T. (1851b) Description of five new species of fossil fishes, Boston Society of Natural History, 4, 138–142. Woodward, A. S. (1891) Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II. Catalogue of the Fossil Fishes in the British Museum (Natural History) 2. Hay, O. P. (1902) Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868. Mickle, K. E. (2017) The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada – a review of previously described taxa and a description of a new genus and species, Foss. Rec., 20, 47–67, https://doi.org/10.5194/fr-20-47-2017.
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