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Pseudobolodon

Pseudobolodon was a relatively early member of the also extinct order of mammals, Multituberculata. It lived in Portugal during the Upper Jurassic, part of the "age of the dinosaurs." It lies within the suborder "Plagiaulacida" and family Paulchoffatiidae.

Pseudobolodon
Temporal range: Late Jurassic
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Multituberculata
Suborder: Plagiaulacida
Genus: Pseudobolodon
G Hahn, 1977
Species
  • P. krebsi
  • P. oreas

The genus Pseudobolodon ("false Bolodon") was named by Hahn G. in 1977 based on two species. A third one-time species, P. robustus (Hahn, 1978), seems to have transformed into Meketibolodon robustus (Hahn G. 1978).

The species Pseudobolodon krebsi was named by Hahn G. & Hahn R. in 1994. Fossil remains consisting of two upper jaws have been found in the Kimmeridgian (Upper Jurassic)-age strata of Guimarota, Portugal. As for the septomaxilla mentioned in the title of the reference: "A small, triangular bone is placed between the premaxilla and the maxilla; this bone is interpreted as a septomaxilla. This is a bone that is typical for lower tetrapods (amphibians, reptiles), but is usually absent in mammals", (Hahn & Hahn 2000, p. 98). The premaxilla is the front bit of your upper jaw, while the maxilla is the side of it. Like other existing mammals, humans don't have this septomaxilla.

The species Pseudobolodon oreas was named by Hahn G. in 1977. Remains consisting of seven upper jaws have been found in Kimmeridgian (Upper Jurassic)-age strata of Guimarota, Portugal.

References edit

  • Hahn, G. & Hahn, R. (2000), "Multituberculates from the Guimarota mine", p. 97-107 in Martin T & Krebs B (eds), Guimarota - A Jurassic Ecosystem, Verlag Dr. Friedrich Pfeil, München.
  • Kielan-Jaworowska, Z. & Hurum, J.H. (2001), "Phylogeny and Systematics of multituberculate mammals", Paleontology 44, p. 389-429.
  • Hahn & Hahn (1994), Nachweis des Septomaxillare bei Pseudobolodon krebsi n.sp. (Multituberculata) aus dem Malm Portugals, p. 9-29, in Miscellanea Palaeontologica 3. - 531 p., 67 pl., Berl. Geowiss. Abh. Vol 13, editors Kohring R & Martin T. (Evidence of the septomaxilla in Pseudobolodon krebsi n.sp. (Multituberculata) from the Malm of Portugal.)
  • Much of this information has been derived from Multituberculata Cope, 1884.


pseudobolodon, relatively, early, member, also, extinct, order, mammals, multituberculata, lived, portugal, during, upper, jurassic, part, dinosaurs, lies, within, suborder, plagiaulacida, family, paulchoffatiidae, temporal, range, late, jurassicscientific, cl. Pseudobolodon was a relatively early member of the also extinct order of mammals Multituberculata It lived in Portugal during the Upper Jurassic part of the age of the dinosaurs It lies within the suborder Plagiaulacida and family Paulchoffatiidae PseudobolodonTemporal range Late JurassicScientific classificationDomain EukaryotaKingdom AnimaliaPhylum ChordataClass MammaliaOrder MultituberculataSuborder PlagiaulacidaGenus PseudobolodonG Hahn 1977SpeciesP krebsi P oreasThe genus Pseudobolodon false Bolodon was named by Hahn G in 1977 based on two species A third one time species P robustus Hahn 1978 seems to have transformed into Meketibolodon robustus Hahn G 1978 The species Pseudobolodon krebsi was named by Hahn G amp Hahn R in 1994 Fossil remains consisting of two upper jaws have been found in the Kimmeridgian Upper Jurassic age strata of Guimarota Portugal As for the septomaxilla mentioned in the title of the reference A small triangular bone is placed between the premaxilla and the maxilla this bone is interpreted as a septomaxilla This is a bone that is typical for lower tetrapods amphibians reptiles but is usually absent in mammals Hahn amp Hahn 2000 p 98 The premaxilla is the front bit of your upper jaw while the maxilla is the side of it Like other existing mammals humans don t have this septomaxilla The species Pseudobolodon oreas was named by Hahn G in 1977 Remains consisting of seven upper jaws have been found in Kimmeridgian Upper Jurassic age strata of Guimarota Portugal References editHahn G amp Hahn R 2000 Multituberculates from the Guimarota mine p 97 107 in Martin T amp Krebs B eds Guimarota A Jurassic Ecosystem Verlag Dr Friedrich Pfeil Munchen Kielan Jaworowska Z amp Hurum J H 2001 Phylogeny and Systematics of multituberculate mammals Paleontology 44 p 389 429 Hahn amp Hahn 1994 Nachweis des Septomaxillare bei Pseudobolodon krebsi n sp Multituberculata aus dem Malm Portugals p 9 29 in Miscellanea Palaeontologica 3 531 p 67 pl Berl Geowiss Abh Vol 13 editors Kohring R amp Martin T Evidence of the septomaxilla in Pseudobolodon krebsi n sp Multituberculata from the Malm of Portugal Much of this information has been derived from 1 Multituberculata Cope 1884 nbsp This article about a Jurassic mammal is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Pseudobolodon amp oldid 1045655859, wikipedia, wiki, book, books, library,

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