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Lampreys and Conodonts
Divya Iyer
Conodonts
Cambrian Period- Predators
3-10 cm in length
p.704
Taxonomy
Phylum- Chordata
Class – Petromyzontida or Hyperoartia
Sea lamprey (Petromyzon marinus)
Pouched lamprey,
(Geotria australis)
Chestnut lamprey
(Ichthyomyzon castaneus)
Habitat
Commonly Anadromous
Temperate rivers/Coastal Seas
Life Cycle
-Ammocoetes
-Larval phase is almost like lancelets
- External Reproduction
External Anatomy
Internal Anatomy
Conservation Status
-Great Lakes Fishery Commission-Control Methods
-Chestnut Lamprey -Kansas Nongame and Endangered Species Conservation Act
References
"Introduction to the Petromyzontiformes." UCMP - University of California Museum of Paleontology. N.p., n.d. Web. 15 Feb. 2011. <http://www.ucmp.berkeley.edu/ve
Campbell, Neil. Biology. 8th AP Edition ed. San Francisco: Pearson Education, 2008. Print.