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Saurischia－TheropodaⅡ

Tetanurae－ⅰ

　New image　2004．10．10

　

"Piatnitzky Lizard"

Piatnitzkysaurus floresi
Describer：.Bonaparte　/1979

Middle Jurassic/６ｍ/　２５０－３００ｋｇ/Argentina

Piatnitzkysaurus is the medium-sized carnivorousness dinosaur of the middle of the The Jurassic period.

Because a head bone couldn't be reproduced, it tried to do referring to the head bone of Allosaurusu.　

　

"African hunter"
Afrovenator abakensis
Describer：Sereno, Wilson, Larsson, Dutheil and Sues/ 1994

Allosauridae?

Early Cretaceous/　Length 8 m / Weight 2000 kg/Niger (Africa)

"savage lizard"
Torvosaurus tanneri
Describer：Galton & Jensen／1979

Torvosauridae

Late Jurassic／Length　12 m／ Weight　3 t／USA

Torvosaurus was one of the largest, most ferocious meat-eating dinosaurs ever to walk the Earth. Its fossil bones( skeletal elements etc.)show that it was not only big, but that it was also very strong. It appeared right after Allosaurus became extinct and would have been the top predator of its time.

"William Buckland's big lizard"

　

MEGALOSAURUS bucklandii
Describer： Wm. Buckland / 1824

Torvosauridae

9 m to 10 m long／900 kg to 1.5 ｔ／Middle Jurassic／England

Megalosaurus was named by Wm. Buckland in 1824。

But　it was found by workers in an Oxfordshire, England limestone quarry and is now lost.

　

New image

"Well －reversed vertebra"

An old version
Eustreptospondylus ・ oxoniensis
Describer：Walker／1964

Tetanura 　Carnosauria

Middle Jurassic

about　4～9m long／　200～500ｋｇ／England,France

　

　

Disarticulated skull and skeleton refered limb elements.

Eustreptospondylus has a large head and a primitive pelvis. In the image, although the arm was a little shorter, in order to maintain balance, I drew a little long and gave priority to a feeling of a lively motion.

Saurischia－TheropodaⅡ
Tetanurae－ⅰ

（Spinosauria）Carnivore(Fish-eater)

"spine lizard"
Spinosaurus aegypticus
Describer：.E.Stromer(1915)

Spinosauridae／Spinosaurinae

Late Cretaceous/１５ｍ long/ 4000?kg／Egypt

　

Data with the detailed build of this dinosaur had been lost by World War II.

Nevertheless, this dinosaur is supposed to have been Theropoda most heavily in the brute leg kind which is known so far from the literature and the sketch which was described based on the previous data.

Moreover, the individual in the specimen which had suffered damage says that he was not imago at this size and that he still had grown-up leeway.

"Irritation"
Irritator chalengeri
Describer：Martill, Cruikshank, Frey, Small & Clarke/1996

　Spinosauridae／Spinosaurinae

8 m long/?kg/Brazil/Early Cretaceous ( 110 million years ago)　

　

Irritator was a theropod dinosaur, a spinosaurid（Ｓｐｉｎｏｓａｕｒｕｓ，Ｂａｒｙｏｎｙｘ，Ｓｕｃｈｏｍｉｍｕｓ） from the early Cretaceous period. It is known from a nearly complete skull (about 80 cm long) found in Brazil. Irritator challengeri was named by paleontologists Martill, Cruikshank, Frey, Small & Clarke in 1996. The people who found the snout-less skull added plaster to it in order to make it look it more impressive. This nonsense didn't fool the paleontologists, but it did irritate them, hence the name.

I drew it with being irritated again, too.

There were no data except for the head, and I added a body referring to Suchomimus.

　

"Heavy Claw"

Baryonyx walkeri
Describer：William Walker/1983

　Spinosauridae／Baryonychinae

Early Cretaceous/12 m long(Sub adult)/4t/England, Africa?

A picture of most restoration is pictured in the dinosaur of the Spinosauria.

It thinks that it has a tooth like a crocodile and then that it is a fish food in tip of nose's being narrow and at the slender jaw.

The nail of the thumb of the forefoot is big thick heavily.

　

"crocodile of the desert"

Suchomimus tenerensis
Spinosauridae／Baryonychinae

Place: Niger / Name age: 1998 / 11m long (sub adult)

Sucomimus was discovered in the African Continent.

But, the figure looks like Baryonyx inhabiting the north continent

where I separated the sea.

The length is estimated at 11m though a restored frame was a subadult's bone.

Sucomimus belongs to the company of Spinosaurus eating a fish.

It is estimated to live about 100000000 years ago.

Suchomimus tenerensis means the "crocodile of the desert" in Greek.

A jaw is much longer than Baryonyx which is similar to this, and a head is poor.

It was made new species from an age's being different.

"Piatnitzky Lizard"	Piatnitzkysaurus floresi Describer：.Bonaparte　/1979 Middle Jurassic/６ｍ/　２５０－３００ｋｇ/Argentina Piatnitzkysaurus is the medium-sized carnivorousness dinosaur of the middle of the The Jurassic period. Because a head bone couldn't be reproduced, it tried to do referring to the head bone of Allosaurusu.
"African hunter"	Afrovenator abakensis Describer：Sereno, Wilson, Larsson, Dutheil and Sues/ 1994 Allosauridae? Early Cretaceous/　Length 8 m / Weight 2000 kg/Niger (Africa)
"savage lizard"	Torvosaurus tanneri Describer：Galton & Jensen／1979 Torvosauridae Late Jurassic／Length　12 m／ Weight　3 t／USA Torvosaurus was one of the largest, most ferocious meat-eating dinosaurs ever to walk the Earth. Its fossil bones( skeletal elements etc.)show that it was not only big, but that it was also very strong. It appeared right after Allosaurus became extinct and would have been the top predator of its time.
"William Buckland's big lizard"	MEGALOSAURUS bucklandii Describer： Wm. Buckland / 1824 Torvosauridae 9 m to 10 m long／900 kg to 1.5 ｔ／Middle Jurassic／England Megalosaurus was named by Wm. Buckland in 1824。 But　it was found by workers in an Oxfordshire, England limestone quarry and is now lost.
New image "Well －reversed vertebra" An old version	Eustreptospondylus ・ oxoniensis Describer：Walker／1964 Tetanura 　Carnosauria Middle Jurassic about　4～9m long／　200～500ｋｇ／England,France 　　 Disarticulated skull and skeleton refered limb elements. Eustreptospondylus has a large head and a primitive pelvis. In the image, although the arm was a little shorter, in order to maintain balance, I drew a little long and gave priority to a feeling of a lively motion.

"spine lizard"	Spinosaurus aegypticus Describer：.E.Stromer(1915) Spinosauridae／Spinosaurinae Late Cretaceous/１５ｍ long/ 4000?kg／Egypt 　 Data with the detailed build of this dinosaur had been lost by World War II. Nevertheless, this dinosaur is supposed to have been Theropoda most heavily in the brute leg kind which is known so far from the literature and the sketch which was described based on the previous data. Moreover, the individual in the specimen which had suffered damage says that he was not imago at this size and that he still had grown-up leeway.
"Irritation"	Irritator chalengeri Describer：Martill, Cruikshank, Frey, Small & Clarke/1996 　Spinosauridae／Spinosaurinae 8 m long/?kg/Brazil/Early Cretaceous ( 110 million years ago)　　 Irritator was a theropod dinosaur, a spinosaurid（Ｓｐｉｎｏｓａｕｒｕｓ，Ｂａｒｙｏｎｙｘ，Ｓｕｃｈｏｍｉｍｕｓ） from the early Cretaceous period. It is known from a nearly complete skull (about 80 cm long) found in Brazil. Irritator challengeri was named by paleontologists Martill, Cruikshank, Frey, Small & Clarke in 1996. The people who found the snout-less skull added plaster to it in order to make it look it more impressive. This nonsense didn't fool the paleontologists, but it did irritate them, hence the name. I drew it with being irritated again, too. There were no data except for the head, and I added a body referring to Suchomimus.
"Heavy Claw"	Baryonyx walkeri Describer：William Walker/1983 　Spinosauridae／Baryonychinae Early Cretaceous/12 m long(Sub adult)/4t/England, Africa? A picture of most restoration is pictured in the dinosaur of the Spinosauria. It thinks that it has a tooth like a crocodile and then that it is a fish food in tip of nose's being narrow and at the slender jaw. The nail of the thumb of the forefoot is big thick heavily.
"crocodile of the desert"	Suchomimus tenerensis Spinosauridae／Baryonychinae Place: Niger / Name age: 1998 / 11m long (sub adult) Sucomimus was discovered in the African Continent. But, the figure looks like Baryonyx inhabiting the north continent where I separated the sea. The length is estimated at 11m though a restored frame was a subadult's bone. Sucomimus belongs to the company of Spinosaurus eating a fish. It is estimated to live about 100000000 years ago. Suchomimus tenerensis means the "crocodile of the desert" in Greek. A jaw is much longer than Baryonyx which is similar to this, and a head is poor. It was made new species from an age's being different.