Information about Caenagnathasia
| Caenagnathasia Fossil range: Late Cretaceous | ||||||||||||||||||
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| Caenagnathasia martinsoni Currie, Godfrey, & Nessov 1993 | ||||||||||||||||||
Caenagnathasia (meaning 'recent jaw from Asia') was a small oviraptorosaurian dinosaur (superfamily Caenagnathoidea), measuring only 1 m (3 ft) in length, 0.6 m (2 ft) in height and weighing around 8 kg (18 lb). Like all oviraptorosaurs, Caenagnathasia had three fingers on each 'hand' (manus) and three toes on each 'foot' (pes), with bone fusion distinctly similar to that of birds. Caenagnathasia dentaries were the first caenagnathoid dentaries to be recovered and it is only from these samples that the species is known. Caenagnathasia lived in the late Cretaceous Period, around 90 mya, making it the earliest known caenagnathoid.
External links
References
- Caenagnathasia in The Dinosaur Enyclopaedia on Dino Russ' Lair
Late Cretaceous (100mya - 65mya) refers to the second half of the Cretaceous Period, named after the famous white chalk cliffs of southern England, which date from this time. Rocks deposited during the Late Cretaceous Period are referred to as the Upper Cretaceous Series.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Sauropsida*
Goodrich, 1916
Subclasses
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Goodrich, 1916
Subclasses
- Anapsida
- Diapsida
- Reptilia Laurenti, 1768
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Dinosauria *
Owen, 1842
Orders & Suborders
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Owen, 1842
Orders & Suborders
- Ornithischia
- Cerapoda
- Thyreophora
- Saurischia
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Saurischia
Seeley, 1887
Suborders
Saurischia (from the Greek sauros (σαυρος) meaning 'lizard' and ischion (
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Seeley, 1887
Suborders
- Theropoda
- Sauropodomorpha
Saurischia (from the Greek sauros (σαυρος) meaning 'lizard' and ischion (
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Theropoda
Marsh, 1881
Infraorders
Theropods ('beast feet') are a group of bipedal saurischian dinosaurs.
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Marsh, 1881
Infraorders
- Carnosauria
- Ceratosauria
- Deinonychosauria
- Ornithomimosauria
- Oviraptorosauria
Theropods ('beast feet') are a group of bipedal saurischian dinosaurs.
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Oviraptorosauria
Barsbold, 1976
Families
Oviraptorosaurs
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Barsbold, 1976
Families
- Avimimidae
- Caudipteridae
- Caenagnathidae
- Oviraptoridae
Oviraptorosaurs
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Caenagnathidae
Sternberg, 1940
Genera
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Sternberg, 1940
Genera
- Caenagnathasia
- Chirostenotes (type)
- Elmisaurus
- Nomingia
- Elmisauridae Osmólska, 1981
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area (or 29.4% of its land area) and, with almost 4 billion people, it contains more than 60% of the world's current human population.
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Oviraptorosauria
Barsbold, 1976
Families
Oviraptorosaurs
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Barsbold, 1976
Families
- Avimimidae
- Caudipteridae
- Caenagnathidae
- Oviraptoridae
Oviraptorosaurs
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Dinosauria *
Owen, 1842
Orders & Suborders
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Owen, 1842
Orders & Suborders
- Ornithischia
- Cerapoda
- Thyreophora
- Saurischia
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The manus (Latin for 'hand') is the zoological term for the distal portion of the fore limb of an animal. In tetrapods, it is the part of the pentadactyl limb that includes the metacarpals and digits (phalanges).
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The pes (Latin for 'foot']) is the zoological term for the distal portion of the hind limb of tetrapod animals. It is the part of the pentadactyl limb that includes the metatarsals and digits (phalanges). During evolution, it has taken many forms and served a variety of functions.
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mandible (from Latin mandibūla, "jawbone") or inferior maxillary bone is, together with the maxilla, the largest and strongest bone of the face . It forms the lower jaw and holds the lower teeth in place.
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The Cretaceous Period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i.e. from 145.5 ± 4.0 million years ago (Ma)) to the beginning of the Paleocene epoch of the Tertiary Period (about 65.5 ± 0.3 Ma).
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A geologic period is a subdivision of geologic time that divides an era into smaller timeframes. The equivalent term used to demarcate rock layers and the fossil record is the system; thus the rocks of the Devonian System were laid down during the Devonian Period.
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mya or "m.y.a." is an abbreviation for million years ago. This abbreviation is commonly used as a unit of time to denote length of time before the present or "B.P." (before AD 1950). Specifically, one mya is equal to 106 years ago.
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