Post on 14-Jan-2016
description
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)