Let us learn about the comparison between platyrrhina and catarrhina. Comparison # Platyrrhina: 1. Distribution: New World—tropical and neo-tropiÂcal Brazil. 2. Habit: Arboreal. 3. Disposition of Hairs: Usually directed downward. 4. Nose: Flat, laterally directed. 5. Cheek pouch: Absent 6. Nail: May be claw-like a in Hapalidae 7. Tail: Long and prehensile. 8. Forelimbs: Almost equal to the hind limbs [...]
The upcoming discussion will update you about the difference between flipper and paddle. Difference # Flipper: 1. Forelimbs are modified into flattened and stout structure, called flippers. 2. Externally un-jointed structure which can be moved as a whole. 3. Nails or claws a whole. 4. Hyper and hyperdactyly are present in some cases. 5. They serve balancers and provide stability [...]
Let us learn about the comparison between odonoceti and mysticeti. Comparison # Odentoceti: 1. Skull: Asymmetrical in the upper surface. 2. Nasal passages: Directed upward and forward. 3. External nostrils: Unite to form a single hole. 4. Teeth: Persist after birth. 5. Baleen-plates: Absent. 6. Maxilla: Covers most of the orbital process of frontal. 7. Lacrymal: Fused with the jugal. [...]