Top Banner
Lampreys and Conodonts Divya Iyer
10

Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Jan 03, 2016

Download

Documents

Moses Hicks
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Lampreys and Conodonts

Divya Iyer

Page 2: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Conodonts

Cambrian Period- Predators

3-10 cm in length

p.704

Page 3: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Taxonomy

Phylum- Chordata

Class – Petromyzontida or Hyperoartia

Page 4: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Sea lamprey (Petromyzon marinus)

Pouched lamprey,

(Geotria australis)

Chestnut lamprey

(Ichthyomyzon castaneus)

Page 5: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Habitat

Commonly Anadromous

Temperate rivers/Coastal Seas

Page 6: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Life Cycle

-Ammocoetes

-Larval phase is almost like lancelets

- External Reproduction

Page 7: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

External Anatomy

Page 8: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Internal Anatomy

Page 9: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

Conservation Status

-Great Lakes Fishery Commission-Control Methods

-Chestnut Lamprey -Kansas Nongame and Endangered Species Conservation Act 

Page 10: Lampreys and Conodonts Divya Iyer. Conodonts Cambrian Period- Predators 3-10 cm in length p.704.

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.