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Sphenodus agassiz

WebSphenodusAgassiz, 1843 Orthacodontidaeis an extinct familyof sharksin the order Synechodontiformes. It contains twelve species within three genera. Some authors … WebMay 1, 2024 · Two species of this genus are known from the Cretaceous deposit: H. microdon ( Aggasiz 1843) and H. gracilis ( Davis 1887 ). However, as Cappetta (2012) pointed out, Cretaceous species of Hexanchus requires revision because H. microdon was diagnosed based on poor-quality figures of type species.

Sphenodus (Chondrichthyes, Neoselachii) from the Upper …

WebAgassiz, 1843: Sphenodus: genus: belongs to Lamninae: stated without evidence: Hay, 1902: Sphenodus: genus: belongs to Lamnidae: stated without evidence: Jordan, 1963: … WebChlamydoselachidae. سداسية الخياشيم Hexanchidae. The Hexanchiformes / hɛkˈsæŋkᵻfɔrmiːz / are the order consisting of the most primitive types of sharks, [أ] and numbering just seven extant species. Fossil sharks that were apparently very similar to modern sevengill species are known from Jurassic specimens. [2] 27二进制是多少 https://beyonddesignllc.net

Alexander Agassiz - Wikipedia

WebMar 18, 2024 · The low-diversity neoselachian fauna includes Notidanodon sp., Sphenodus sp., and indeterminate synechodontiform, possible indeterminate scyliorhinids, and further, yet indeterminate forms. Actinopterygians are represented by Caturus sp. and indeterminate actinopterygian teeth and scales. ... Genus Sphenodus Agassiz, 1833–1844. Sphenodus sp. WebA New Squalid Species of the Genus Centroscyllium from the Emperor Seamount Chain First Age and Growth Estimates in the Deep Water Shark, Etmopterus Spinax (Linnaeus, 1758), by Deep Coned Vertebral Analysis WKSHARK6 Report 2024 And Their Functional, Ecological, and Evolutionary Implications Webthe largest shark teeth present were those of Sphenodus Agassiz, 1843, hexanchids, and lamniforms. If hand picking of specimens in the field is the only technique employed the most likely specimens to be collected are isolated teeth of these sharks, if they occur in sediment of that age. It is hardly surprising that the Danian 27代理官网 下载

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Sphenodus agassiz

Squaliformes: Etmopteridae) in the Lutetian of Landes …

WebSphenodus Agassiz, 1843 Sphenodus alpinus Gümbel, 1861 Sphenodus longidens Agassiz, 1843 Sphenodus lundgreni Davis, 1890 Sphenodus macer Quenstedt, 1852 Sphenodus nitidus Wagner, 1862 Sphenodus planus Agassiz, 1843 Sphenodus rectidens Emmons, 1858 Sphenodus robustidens Seguenza, 1900 Sphenodus tithonius Gemmellaro, 1871 Web-Sphenodus longidens Agassiz, 1843. Original figures from Agassiz (1843). Source publication +1 Taxonomic revision of the shark Sphenodus in the Jurassic collections of …

Sphenodus agassiz

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WebMay 1, 2014 · Family ORTHACODONTIDAE Glickman, Genus SPHENODUS Agassiz, 1843 Type species Lamna longidens Agassiz, 1843 from the Late Jurassic of Switzerland. Sphenodus lundgreni (Davis, ) Figure A–B Material Chalk: A single tooth from Stevns Kridtbrud (MGUH 29885). Neoselachian teeth from the H øjerup M ember and the F iskeler … WebThe tooth is of low-crowned, multicuspid type; the elongate tooth crown has stout crown shoulder and well-developed, rounded labial peg; the cusp and cusplets are moderately tumid, and have a few strong and curved folds; …

WebSphenodus: Agassiz 1843: Scientific Name: Sphenodus Agassiz, 1843: Name Published In: Poiss. Foss., 3: Subtaxa. Name Status Common Name(s) Fossil Occurrences Oldest Youngest; Lamna longidens ... Sphenodus macer species: accepted (GBIF) No associated record in PBDB: Sphenodus nitidus species: accepted (GBIF) No associated record in … WebSphenodus Agassiz, 1843. Notidanus Cuvier, 1816. Related collections. Vertebrate Paleontology. Museum practice and privacy policy (GDPR) When new material or a new …

WebSphenodus gigas Agassiz, 1843 among the fossils found Slightly later, Di Stefano & Cortese (1891) mentioned the presence of Sphenodus from the same localities as WebDescription: Citation: Sphenodus longidens (Agassiz, 1843): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, …

WebSphenodus longidens (Agassiz, 1843) Classification: Elasmobranchii Hexanchiformes Orthacodontidae Reference of the original description. Agassiz, L. (1843) Recherches sur les poissons fossiles, 15th and 16th livraisons (March 1843).

WebBiography. Agassiz was born in Neuchâtel, Switzerland and immigrated to the United States with his parents, Louis and Cecile (Braun) Agassiz, in 1846. He graduated from Harvard University in 1855, subsequently … 27代理加速器官网免费WebA Sphenodus a porcos halak (Chondrichthyes) osztályának fosszilis Synechodontiformes rendjébe, ezen belül az Orthacodontidae családjába tartozó nem. Rendszerezés. A nembe … 27代理加速器官网是多少WebA Sphenodus a porcos halak osztályának fosszilis Synechodontiformes rendjébe, ezen belül az Orthacodontidae családjába tartozó nem. Wikiwand is the world's leading Wikipedia … 27代理破解版 吾爱破解WebSphenodus Name Synonyms Lamna longidens Agassiz, 1843 Orthacodus Woodward, 1889 Orthacodus longidens (Agassiz, 1843) Sphaenodus Costa, 1856 Homonyms Sphenodus … 27以上WebDuffin and Ward list 29 species of Sphenodus, several of which are synonymous, and only four of them are from the Cretaceous. These four species are S. salandianus (Gervais 1859), S. subaudianus (Pictet 1858), S. planus (Agassiz 1843) and S. sennessi (Leriche 1936). Kriwet et al. considered most late Cretaceous species of Sphenodus as dubious. 27代理破解版无限试用WebAgassizodus is an extinct genus of eugeneodont holocephalan from the Carboniferous.It belongs to the family Helicoprionidae, which is sometimes called Agassizodontidae.Like … 27位掩码WebSphenodus planus Agassiz, 1843; Sphenodus rectidens Emmons, 1858; Sphenodus robustidens Seguenza, 1900; Sphenodus tithonius Gemmellaro, 1871; Sphenodus virgai Gemmellaro, 1871; Species. Family Image Common name Genera Species Description Chlamydoselachidae: Frilled sharks: 1 extant 1 extinct 2 27位反掩码