The vertebrate story…

The vertebrate story…

The vertebrate story…

The vertebrate story…

AgnathaExtinct:

*

*Mostly small fish 2cm (some up to 2m)

*

*4 openings on dorsal surface of head

* http://universe-review.ca/I10-27-jawlessfish.jpg

AgnathaExtant: ______ and ________

*

*Hagfish are …

*Most Lamprey are…

http://www.exploretheabyss.com/photo/gallery/gallery/ds_trawl/images/HagfishLR.jpg

http://www.nwrc.usgs.gov/world/images/lamprey.jpg

http://www.glaucus.org.uk/sea-lamprey-sucker-RL.jpg

Gnathostomes3 groups appeared in the Paleozoic:

1) ___________ (ex. Arthrodires) had large boney plates and paired fins

http://www.noaca.org/earlgeo.gif

http://www.cnrs.fr/cw/dossiers/dosevol/imgArt/dioram/PaleozoDevon/Zimg/dicksonosteus.jpg

Gnathostomes3 groups appeared in the Paleozoic:

2) __________________ (cartilagenous fishes)*Includes …

*

*

*

http://www.lifeglobe.com/images/product/Sharks/sharks04_r2_c2.jpg

http://www.pangaeadesigns.com/_graphics/page/fish/large/ratfish.jpg

Gnathostomes3 groups appeared in the Paleozoic:

3) ___________________ (spiny and bony fishes)

* ______________s are (spiny fishes) are extinct

*Had skeleton of bone and cartilage

*Had …

http://sps.k12.ar.us/massengale/images/R-acanthodians.gif

OsteichthyansShared ancestors with tetrapods

*

*

Paired fins… either ray finned (_____________) or fleshy finned (___________)

http://www.paleodirect.org/fg009.htm

ActinopterygiiBasal groups include …

http://www.hellscanyonsportfishing.com/images/sturgeon%20pictures/Kevin%20&%20Sturgeon%202.jpg

http://www.digimorph.org/specimens/Polypterus_senegalus/whole/specimen.jpg

ActinopterygiiAdvanced groups include …

http://www.sdafs.org/laafs/Amazing%20Fish%20Pictures/Big%20Alligator%20Gar%2009-03.JPG

__________________*

2 major clades:

_________, extinct except “coelocanths”

___________ (and dipnoi)“lungfish”

http://kentsimmons.uwinnipeg.ca/16cm05/1116/34-14-Coelocanth.jpg

http://www.bertsgeschiedenissite.nl/geschiedenis%20aarde/lungfish.jpg

______________*Paraphyletic group… omitting amniote descendants

*Extinct groups include Labrynthodonts (Ichthyostega)

*Extant group (Lissamphibia) includes:

______ (caecilians)

_________ (salamanders)

__________ (frogs)

http://news.siu.edu/news/May05/images/salamander.jpg

http://www.yesnet.yk.ca/schools/wes/webquests_themes/frogs_theme/frogs_K/frog_species/barred/images/

barred_leaf_frog_jpg.jpg

http://www.bbc.co.uk/radio4/science/media/Btaitanus-PC1b.jpg

AmniotesGroup includes Reptiles and Synapsids

__________ (paraphyletic)

_________ (testudinea) “turtles”

__________ “tuatara”

__________ “lizards, snakes etc.”

____________ “crocodiles” etc.

____________ “birds”

SynapsidsAmniotes with …

Mammalia_______________ (echidnas and platypus)

_______________ (many forms, ex. kangaroos)

Mammalia________________ (shrews, moles etc.)

Mammalia______________ (sloths, anteaters and armadillos)

_______________ (single species… aardvark)

Mammalia_____________ (single genus… Manis “pangolins”)

Mammalia_______________ (bats)

Mammalia_____________ (lemurs, monkeys, apes etc.

Mammalia______________ (pikas, hares and rabbits)

Mammalia_________________ (largest mammalian order… rats etc.)

Mammalia_______________ (diverse group)

Mammalia_________________ (carnivores of the sea… seals etc.)

Mammalia_______________ (odd-toed ungulates… horses, tapirs, rhinos)

Mammalia________________ (even-toed ungulates… sheep, deer, giraffes etc.)

Mammalia_______________ (similar to rodents and ungulates ex. rock hyrax)

Mammalia_______________ (elephants etc.)

Mammalia_______________ (manatees etc.)

Mammalia____________ (whales and company)