Learner
LearnerZoolearn Learner
Species Profile

Mesohippus

Middle horse

Mesohippus
KingdomAnimalia
PhylumChordata
ClassMammalia
OrderUnknown
FamilyUnknown

Introduction

Lived in Oligocene epoch.

Fossils found in North America.

Showed clear evolutionary change.

Size & Structure

01

Sheep-sized body

02

Three toes

03

Longer limbs

04

Improved molars

Mesohippus — 3D Model

General Features

Coelom
True coelom
Body plan
Tube within a tube body plan (Deuterostomous)
Germ layer
Triploblastic
Metamerism
Absent
Body symmetry
Bilateral
Fertilization
Internal
Digestion type
Complete
Nervous system
Developed cerebrum
Excretory organ
Kidneys
Body temperature
Homeothermic
Circulatory type
Closed, double, complete
Development type
Direct
Respiratory type
Pulmonary respiration
Mode of excretion
Ureotelism
Circulation system
Closed
Skeleton structure
Endoskeleton
Level of Organisation
Organ system level
Regulation of Osmosis
Osmoregulator

Ecology

Browser and grazer

Adaptation to open areas

Evolutionary link

Economic Importance

Fossil record importance

Horse evolution studies