Post by thesporerex on Mar 20, 2014 3:31:29 GMT
Neovenator salerii:
Classification:
Kingdom: Animalia
Phylum:Chordata
Class:Reptilia
SuperorderDinosauria
Order: Saurischia
Suborder:;Theropoda
Taxon/super family:Allosauroidea/Carnosauria
Family:Neovenatoridae
Genus:Neovenator
Species: Neovenator salerii (Hutt Martill & Barker, 1996)
Size:
Length: 7.7 metres in length(?)
Weight: 1.4-1.5 tons in weight(?)
10 metre estimates were once considered for Neovenator but the specimen is too fragmentary and should not be taken account off.
Description:
The name 'Neovenator' in Ancient Greek means 'New Hunter'. It lived during the early Cretaceous of England, and it was the second largest theropod in its region. Neovenator salerii was originally thought to be a Megalosaurid, but it is now considered a Neovenatorid. Being a Neovenatorid, it is closely related to Carcharodontosaurids, and may have similar anatomical features to Carcharodontosaurids of similar size. Neovenator salerii was at first considered possibly a new species of Megalosaurus. It measured approximately 7.5 meters (24.5 feet) in length, and was of a gracile build, weighting ~1,500 kg.
Phylogeny:
Anatomical features:
Neovenator salerii had a relatively large and resistant skull, with a long, elongated neck. It had robust forelimbs, and fairly large claws. It had a round torso, a rather thin ribcage, and comparatively small vertebrate. It had a large femur, with a small leg:body ratio.
Material
BMNH R1001: Anterior portion of left dentary, 6 cervical vertebrae (including the axis), 5 dorsal vertebrae, most of pelvic elements, fragments of 2 ribs and tooth fragments.
MIWG 6348: Left and right premaxillae, left maxilla, right nasals, 5 dorsal vertebrae, 3 sacral vertebrae, 22 caudal vertebrae, 3 haemal arches, left scapulocoracoid, several gastralia, some of the pelvic bones, right femur, left tibia, left fibula, left MT II and IV, and several phalanges including unguals.
Note: Pathological union of chevron to 2 caudal vertebrae (Naish, Hutt & Martill, 2001), also healed fracture of mid-caudal vertebra transverse process, osteophytes affecting pedal phalanges, healed gastralia rib fractures, some forming false joints, and a scapula fracture (Tanke & Rothschild, 1999)
Referred material:
MIWG 6352: 2 sacral vertebrae, paired pubes, and incomplete left ilium of a subadult.
MIWG 4199: Phalanx.
Discovery:
The first bones of the type species were discovered in 1978, in a plant debris bed within the variagated clays and marls of the Wessex Formation on the southwest coast of the Isle of Wight. It was much later (1989) that more bones from this specimen were found. Excavations undertaken by Dr Steve Hutt and his team have so far revealed approximately 70% of the skeleton.
At the time that it was described, by Steve Hutt, Martill and Barker in 1996, it was considered the only known allosaurid in Europe. However, further studies suggested it had more in common with the advanced carcharodontosaurid group of allosaurs, and several studies including a detailed examination of the species by Benson, Carrano and Brusatte in 2010 showed that it is in fact closely related to the Carcharodontosauridae (in a group called Carcharodontosauria), but is actually closer to the megaraptorans, together with them forming the family Neovenatoridae.
Location:
Fossil remains of Neovenator have been found on the Isle of Wight (southern England), and were first discovered in the 20th century. Neovenator existed alongside Baryonyx, Polacanthus and Iguanadon in the early Cretaceous period. It was one of the top predators of its day.
Pathology:
The holotype of Neovenator salerii had many pathologies. The authors of the genus list them as "midcaudal vertebrae fusions, healed fractures of mid-caudal vertebra transverse processes; osteophytes affecting pedal phalanges, healed gastralia rib fractures, some forming false joints... [and] scapula fracture."
Classification:
Kingdom: Animalia
Phylum:Chordata
Class:Reptilia
SuperorderDinosauria
Order: Saurischia
Suborder:;Theropoda
Taxon/super family:Allosauroidea/Carnosauria
Family:Neovenatoridae
Genus:Neovenator
Species: Neovenator salerii (Hutt Martill & Barker, 1996)
Size:
Length: 7.7 metres in length(?)
Weight: 1.4-1.5 tons in weight(?)
10 metre estimates were once considered for Neovenator but the specimen is too fragmentary and should not be taken account off.
Description:
The name 'Neovenator' in Ancient Greek means 'New Hunter'. It lived during the early Cretaceous of England, and it was the second largest theropod in its region. Neovenator salerii was originally thought to be a Megalosaurid, but it is now considered a Neovenatorid. Being a Neovenatorid, it is closely related to Carcharodontosaurids, and may have similar anatomical features to Carcharodontosaurids of similar size. Neovenator salerii was at first considered possibly a new species of Megalosaurus. It measured approximately 7.5 meters (24.5 feet) in length, and was of a gracile build, weighting ~1,500 kg.
Phylogeny:
Anatomical features:
Neovenator salerii had a relatively large and resistant skull, with a long, elongated neck. It had robust forelimbs, and fairly large claws. It had a round torso, a rather thin ribcage, and comparatively small vertebrate. It had a large femur, with a small leg:body ratio.
Material
BMNH R1001: Anterior portion of left dentary, 6 cervical vertebrae (including the axis), 5 dorsal vertebrae, most of pelvic elements, fragments of 2 ribs and tooth fragments.
MIWG 6348: Left and right premaxillae, left maxilla, right nasals, 5 dorsal vertebrae, 3 sacral vertebrae, 22 caudal vertebrae, 3 haemal arches, left scapulocoracoid, several gastralia, some of the pelvic bones, right femur, left tibia, left fibula, left MT II and IV, and several phalanges including unguals.
Note: Pathological union of chevron to 2 caudal vertebrae (Naish, Hutt & Martill, 2001), also healed fracture of mid-caudal vertebra transverse process, osteophytes affecting pedal phalanges, healed gastralia rib fractures, some forming false joints, and a scapula fracture (Tanke & Rothschild, 1999)
Referred material:
MIWG 6352: 2 sacral vertebrae, paired pubes, and incomplete left ilium of a subadult.
MIWG 4199: Phalanx.
Discovery:
The first bones of the type species were discovered in 1978, in a plant debris bed within the variagated clays and marls of the Wessex Formation on the southwest coast of the Isle of Wight. It was much later (1989) that more bones from this specimen were found. Excavations undertaken by Dr Steve Hutt and his team have so far revealed approximately 70% of the skeleton.
At the time that it was described, by Steve Hutt, Martill and Barker in 1996, it was considered the only known allosaurid in Europe. However, further studies suggested it had more in common with the advanced carcharodontosaurid group of allosaurs, and several studies including a detailed examination of the species by Benson, Carrano and Brusatte in 2010 showed that it is in fact closely related to the Carcharodontosauridae (in a group called Carcharodontosauria), but is actually closer to the megaraptorans, together with them forming the family Neovenatoridae.
Location:
Fossil remains of Neovenator have been found on the Isle of Wight (southern England), and were first discovered in the 20th century. Neovenator existed alongside Baryonyx, Polacanthus and Iguanadon in the early Cretaceous period. It was one of the top predators of its day.
Pathology:
The holotype of Neovenator salerii had many pathologies. The authors of the genus list them as "midcaudal vertebrae fusions, healed fractures of mid-caudal vertebra transverse processes; osteophytes affecting pedal phalanges, healed gastralia rib fractures, some forming false joints... [and] scapula fracture."
