Dinosaur Science Midterm- II

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Can you name the correct grouping or characteristics?

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QuestionsAnswers
This group has a short skull with no teeth.
This group has tooth batteries composed of lots of small teeth.
A jaw joint dropped below level of cheek tooth row is characteristic of what group?
Allosaurus: time period
This group has a large 'killer' claw on pes.
The 'bony eyebrow' found in Ornithischians is better known as the (what) bone?
Archaeopteryx and Confucisornus are members of what group?
Stegoceras: area found
Nigersaurus: area found
Velociraptor: area found
'Broad foot'/spreading metatarsals are characteristic of what group?
Protoceratops: area found
Velociraptor: time period
Primitive grasping hands, small ankle bones, 3 sacral vertebrae, and an offset thumb are characteristic of what group?
Stegosauria and Ankylosauria are branches of what group?
Plateosaurus: area found
Cheeks/inset maxillary and dentary dentition are characteristic of what group?
Short snout, s-shaped narial passage, two neck rings, and tail club are characteristic of what branch of Ankylosauria?
Psittacosaurus: time period
Gastonia: area found
What group separates in to theropoda and sauropodomorpha?
This group has cranial crests that house a loop of the narial passage.
Edmontosaurus: area found
Which is the most ancient bird?
Intramandibular joint, hollow bones, raking hand, and a manus with three fingers (outer 2 lost) are characteristic of this group.
Eodromaeus: area found
Nigersaurus: time period
Liaoceratops: time period
This group has a rostral bone and a jugal horn.
'Bird-hipped'
Herrerasaurus: area found
A bony beak-like structure is better known as the (what) bone?
This group has heightened neural spines on its back, and an elongated skull for fish eating.
QuestionsAnswers
Sauropodomorpha + Theropoda = ...
A fused tail bone is known as what?
Gastonia, Euplocephalus, and Ankylosaurus are members of what group of Ankylosauria?
Oviraptor: time period
Pachycephalosaurus: area found
Gastonia: time period
A shield of armor and fusion of the skull bones are characteristic of what group?
Eodromaeus: time period
Huyangosaurus, Kentrosaurus, and Stegosaurus are members of what group?
A bony shelf forms the posterior portion of the skull in this group.
Polacanthus and Panoplosaurus are members of what branch of Ankylosauria?
Thyreophora and Neoornithischia are branches of what larger group name?
Dilong, Raptorex, and Tyrannosaurus are members of what group?
Archaeopteryx: area found
Stegoceras: time period
An hourglass shaped palate and three neck rings are characteristic of what branch of Ankylosauria?
Rugops: time period
Homalocephale: area found
Allosaurus: area
Protoceratops: time period
This group has powered flight with true wings.
In what group is the pubis forward-facing?
Eoraptor: area
Plateosaurus: time period
Leaf-shaped teeth, the predentary and palpebral bones, and ossified tendons are characteristic of what group?
Bony scutes/armor plates in rows on the body are characteristic of what group?
This group has plumulaceous feathers and a semiluate carpal on the wrist.
In what group is the pubis parallel to the ischium?
This group has a more-specific domed thickening of the skull roof.
A roller ankle joint and bipedalism are characteristic of what group?
'Lizard-hipped'
Heterodontosaurus: area found
Psittacosaurus: area found
QuestionsAnswers
The distal half of the tail is stiffened by processes in this group.
Eoraptor: time period
Panoplosaurus: time period
Two rows of bony plates, tail spikes, and stretched dorsal vertebrae are characteristic of what group?
Heterodontosaurus: time period
Oviraptor: area found
Liaoceratops: area found
This group has vertebrae hollowed by air sacs and quadrupedal posture with a digitigrade manus.
Camarasaurus: time period
Carcharodontosaurus: area found
Manus with 3 fingers
Archaeopteryx: time period
Herrerasaurus: time period
This group has a thickened skull roof.
Carcharodontosaurus: time period
This group has large external nares with fossa and quadrupedal posture with digitigrade manus.
Rugops: area found
Deinonychosauria and Aves are portions of what group?
This group has a parietal frill that extends from the back of its skull.
Camarasaurus: area found
Suchomimus and Spinosaurus are members of what group?
Edmontosaurus: time period
Allosaurus, Cryolophosaurus, and Charcharodontosaurus are members of what group?
Confucisornis: area found
This group has tooth batteries, 2-rooted teeth, large external nares, and a huge skull with large frill.
Panoplosaurus: area found
Pachycephalosaurus: time period
This group has a primitive duckbill and lots of premaxillary teeth.
Homalocephale: time period
A rotary ankle joint is characteristic of what group (hint: includes living crocodiles)?
Confucisornis: time period

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