Ecology Lecture 11
- Created by: emmawilliams
- Created on: 04-04-17 17:16
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The basal mammals
Multituberculates
• About 5,096 species
• 1,188 genera
• 2 subclasses
• Rodents and insectivores are the most speciose
• Broad range of body mass
• 2 grams – 100 tonnes
Subclass: Prototheria
Monotremata- lay egg
Subclass: Theria
--> Marsupialia/ Metatheria: No placenta or transient, Altricial newborn
--> Placentalia /Eutheria: Placenta, Long gestation
Subclass: Prototheria
Order: Monotremata
5 extant species - Australia
• Lay egg and female lactate using modified hairs
•…
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