Dinosaur Science Midterm- II

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Can you name the correct grouping or characteristics?

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

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