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PALEO 201 > Week 10 > Flashcards

Week 10 Flashcards

1
Q

Alfred Wegener

A

noticed Africa and south America are sus and fit together.
also that the fossils are the same

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2
Q

Crust

A

outermost layer about 5-25 Km thick

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3
Q

Mantle

A

below the crust 2500 Km thick
-Upper section is a solid called the lithosphere
-lower section is called the asthenosphere and is slowly flowing. which is made of many smaller (still huge) pieces

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4
Q

lithosphere

A

Solid upper part of mantle made of many smaller (still huge) pieces

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5
Q

asthenosphere

A

lower layer of mantle and is flowing slowly

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6
Q

The core

A

has to parts the outer layer of molten metal
and the inner core which is solid
-the intense heat causes the asthenosphere to move and heat up and cool

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7
Q

Panthalassa

A

the super ocean to compliment Pangea

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8
Q

niche partitioning

A

sharing the resources to increase carrying capacity and have co habitation
-seen with dipodicus and casmarasaurs. diplodocus went high and leafy, casmarasaurs was smaller and ate more diversely.

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9
Q

Laurasia

A

Northern part of Pangea when it broke apart (North America, Europe and Asia)

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10
Q

Gondwana

A

the southern part of Pangea after breaking. (South America, Australia, Africa, Antartica, Madagascar and India)

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11
Q

Pangea

A

was the super content. together for the Jurassic timer period and started to break part for the Cretaceous

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12
Q

Prosauropods

A

started to show up in triassic and survived to Jurassic (Pangea)
contains: Dilodocids, Macronarians and massopondylus

(Laurasia) went extinct here

(Gondwana) all but diplodocids, went to give titanosaurs

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13
Q

Diplodocids

A

(Pangea) found everywhere
the diplodocus was spread around the world had small nipping teeth
-niche partitioning with Camarasaurs

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14
Q

Macronarians

A

(Pangea) prosauropod group found everywhere
-Larger more robust than diplodocus
contains: Brachinosaurs, Giraffatitan and camarasaurs

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15
Q

Brachinosaurs

A

((Pangea)a Macronarian prosauropod found everywhere

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16
Q

Giraffatitan

A

(Pangea)a Macronarian prosauropod found everywhere

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17
Q

Camarasaurs

A

(Pangea) a Macronarian prosauropod found everywhere
-larger more robust teeth to eat harder plants
-niche partitioning with diplodocus

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18
Q

Massopondylus

A

(Pangea) a prosauropod found everywhere

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19
Q

Coelophysis

A

(Pangea) small theropod

20
Q

Thyreophorans

A

(Pangea)
-like ornithischians with armour
-stegosaurs is one of them

21
Q

stegosaurs

A

(Pangea)
-part of the Thyreophorans group

22
Q

Ornithopods

A

(Pangea) common in Jurassic
-like camptosaurs an early iguanodont

23
Q

Camptosaurs

A

(Pangea) common in jurassic
-early iguanodont part of ornithopod group

24
Q

megalosaurids

A

(Pangea) Dominant in Jurassic
-old theropods

25
Q

Ceratosaurids

A

(Pangea) Dominant in Jurassic
-old theropods

26
Q

Allosauroids

A

(Pangea) become dominant largest predator in late jurassic. theropod
-interlocking spine and longer legs

(Laurasia) also dominant in here

27
Q

Coelurosaurs

A

(Pangea) small theropod predator
-small but the most successful predator
-had small hands and lots of sacral vertebrae

(Laurasia) was also dominat predator and diverse leading to T rex

28
Q

Laurasia common dinos

A

Iguanodonts, ankylosaurs and brachiosaurid are common
-some iguanodons and ankylosaurs moved to Gondwana via land bridge

29
Q

ankylosaurs

A

(Laurasia) filled the sauropod herbivore niche
-split into two
-ankylosaurids (with clubs)
-nodosaurids (no clubs but has back spikes)

30
Q

Hadrosaurs

A

(Laurasia) evolved from iguanodons and dominant in late cretaceous
-contained Lambeosaurine and Hadrosaurine

31
Q

Lambeosaurine

A

(Laurasia) group of hadrosaurs with large hollow horns that could amplify calls

32
Q

Hadrosaurines

A

(Laurasia) two groups of hadrosaurs without hollow horns
-saurolophus (bony crest)
Edmontosaurs (Fleshy crest)

33
Q

Marginocephalians

A

(Laurasia) herbivores “fringe heads”
-this group contains pachycephalosaurs and ceratopsians

34
Q

Ceratopsians

A

(Laurasia) in group Marginocephalians
-early ones like Psittacosaurs was bipedal and mostly in Asia
-modern ones in north America

35
Q

Tyrannosaurs

A

(Laurasia) Part of the Coelurosaur family and very dominant in late cretaceous
-extreme adaptations which let them dominate (long legs, stiff back, strong long jaws)

36
Q

Dilong and guanlong and Eotyrannus

A

(Laurasia) part of coelurosaur family were early tyrannosaurs
-similar to coelurosaurs but bigger heads

37
Q

Ornithomimids

A

(Laurasia) part of coelurosaur family and like emus and ostrich

38
Q

Maniraptorans

A

(Laurasia) part of coelurosaur family but have semilunate carpal in wrist which lets them bend wings in
-evolves to dromaeosaur

39
Q

Oviraptors

A

(Laurasia) part of coelurosaur family
-became vegetarian and had beaks
-fan of tail feathers

40
Q

Therizinosaurs

A

(Laurasia) part of coelurosaur family
-backwards pubis
-small head with long neck
-large claws

41
Q

Spinosaurs

A

(Gondwana) theropod

42
Q

Carcharodontosaurids

A

(Gondwana) theropod member of allosauroid
-had larger had and jaws
-very large to take down titanosaurs
Contains Giganotosaurs

43
Q

Titanosaurs

A

(Gondwana), from surviving sauropods Marcornarian
-heaviest
-had armour osteoderms
-contained the argentinosaurs dinosaur

44
Q

Abelisaurs

A

(Gondwana) theropod group from the ceratosauroid lineage
contains Carnotaurus

45
Q

Laramidia

A

west side of North America split by sea

46
Q

Appalachia

A

east side of North America split by sea

PALEO 201 (13 decks)

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