In this article we will discuss about the Dentition in Mammals:- 1. Meaning of Dentition in Mammals 2. Origin and Structure of Teeth in Mammals 3. Types of Dentition 4. Dental Formula 5. Unusual Teeth 6. Origin and Evolution of Molars. Contents: Meaning of Dentition in Mammals Origin and Structure of Teeth in Mammals Types of Dentition in Mammals Dental [...]
In this article we will discuss about Mammals:- 1. Origin and Definition of Mammals 2. Characteristic Features of Mammals 3. Classification. Origin and Definition of Mammals: The origin of Prototherians is not known because the fossils of pre-Pleistocene are still unknown, but recently fossil monotremes with teeth have been found in Cretaceous and Miocene deposits in Australia (Pough et al., [...]
Division of the Chiroptera: Two Suborders, Megachiroptera and Microchiroptera, are included under the Order Chiroptera. Besides the common chiropterian features, the suborders differ conÂsiderably from each other. The differences are tabulated in Table 45—Chordata. Suborder Megachiroptera: 1. They are large in size among the chiropterans and frugivorous in habit. 2. Eyes are large and snout is elongated. 3. Tail is [...]