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76 Cards in this Set
- Front
- Back
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Paleobiogeography
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the geographic patterns of the distribution of species using fossils
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Tethys Sea
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Sea at the mesozoic/triassic period that existed inbetween the continents of Godwana and Laurasia
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Omnivore
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An animals that eats both animals and plants
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Dental battery
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Tons of teeth that are used for grinding
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Serrations
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triangular teeth that are used for ripping. increase surface area for cutting
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Conical
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conical teeth
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Gastrolith
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stomach stones that are inside the digestive track of animals
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Coprolite
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Dinosaur poop
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Feces
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waste product
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Prey
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what predators eat
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Tooth root
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tooth below the gum
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Tooth crown
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tooth above the gum
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Dentition
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development of teeth and arrangement of mouth
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Calcium carbonate
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Common substance found as rock in all parts of the world and its main component of seashells and snails
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Pheromone
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a chemical that triggers an innate behavioural response in another member of the same species
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Amniotic egg
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amniotes are mammals, mammal-like reptiles, dinosaurs, and birds
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Amnion
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a membranous sac which surrounds and protects the embryo
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Oviraptor
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the dinosaur that may have been a specialized eater. It may have eaten eggs
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Oviduct
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the passage from the ovaries to the outside of the body is known as the oviduct. The eggs travel along the oviduct.
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Sexual selection
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theory proposed by Charles Darwin that states that the frequency of traits can increase or decrease depending on the attractiveness of the bearer
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Neontology
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biology that, in contrast to paleontology, deals with living organisms
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Regurgitate
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controlled flow of stomach contents back into the esophagus and mouth.
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Mound nest
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eggs layed above ground
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Hole nest
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Eggs are buried in ground
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Pace
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from back of right foot to back of left foot
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Stride
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back of left foot to next left foot
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Dimension-less speed
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measured speed/ (leg length x g)^1/2
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Relative stride length
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stride length/leg length
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Facultative obligate
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by necessity
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Track
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footprint
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Trackway
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a series of footprints
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Substrate
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is the surface a plant or animal lives upon
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Tridactyl
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having three toes
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Quadruped
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dinosaurs that walked on four legs
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Biped
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Dinosaurs and other animals that walk on two legs
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Morphology
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the outward appearance (shape, structure, colour, pattern) of an organism or taxon and its component parts
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Bioturbation
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is the displacement and mixing of sediment particles by benthic fauna (animals) or flora (plants)
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Herrearasaurus
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Late Triassic dinosaur that some still debate as to being a dinosaur or not
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Eoraptor
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Late Triassic dinosaur that some still debate as to being a dinosaur or not
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Coelophysis
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group of therapods that include tyrannosaurus
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Troodon
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A small bird-like dinosaur from the late Cretaceous
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Allosaurus
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A large bipedal carnivorous dinosaur. Similar to t-rex
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Deinonychus
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Early cretacious dinosaur. Name means "terrible claw". Similar to Velociraptor.
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ornithomimids
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"Bird mimic dinosaurs" are therapod dinos that bear resemblence to modern ostriches
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coelurosaurs
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Large predatory dinosaurs that lived during the Jurassic and Cretaceous periods. Best example is Allosaurus
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Aves
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bird
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Thecodont
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socked-tooth reptile, now considered an obsolete term
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Lagosuchus
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Small archosaur from middle Triassic period. Closely related to dinosaurs
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Pterosaurs
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Existed from late Jurassic to end of Cretaceous. First vertebrate to develop flight
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Ischigualasto Formation
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formation in NW Argentina
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Archosaur
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represented by lizards and birds, and dinosaurs
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Ischium
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forms the lower and back part of the hip bone. It is situated below the ilium
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Ilium
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a bone in the pelvis
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Pelvis
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whole structure located at the bottom of the spine
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Skull foramen
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hole at the bottom of the skull through which nerves are transmitted
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Cranium
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another word for skull
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Pes
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Foot or hind leg of dinosaur
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Manus
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Hand
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Femur
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the thigh bone. the longest and strongest
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Humerus
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long bone in your arm that runs from the shoulder to the elbow
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Phalanges
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the bones that form fingers and toes
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Tibia
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the longer of two bones below the knee
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Fibula
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the calf bone on the other side of the tibia
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Ulna
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a long bone, prismatic in form, placed at the medial side of the forearm, parallel with the radius.
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Radius
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bone in arm parallel with the ulna
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Mandible
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lower jawbone
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Maxilla
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upper jaw
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Sacral (sacrum?)
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large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity
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Cervical
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the neck
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Thorasic
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the middle of the body that lies between the head and the abdomen
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Caudal
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its opposite the cranial, usually the anus and the tail
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Vertebrae
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irregular bones the make up the spine
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Kinetic jaw
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jaw the move from side to side instead of just up and down
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Were the first dinos carnivorous or herbivorous and how can we tell?
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both appeared around the same time, we can tell by the teeth
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When did the dinosaurs first evolve?
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Late Triassic Period
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How can you tell the difference between a gastrolith and a pebble?
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1. should be different than local rocks
2. rounded and polished 3. found with dinosaur |
