Related articles:
Prototheria
Mammal
Echidna
Platypus
Steropodon
Eutheria
Marsupial
Short-beaked Echidna
Obdurodon
Metatheria
Synapsid
Ornithorhynchidae
Teinolophos
Eastern Long-beaked Echidna
Cloaca
Molar (tooth)
Electroreception
Egg (biology)
Corpus callosum
Coracoid
Australia
New Guinea
Milk
Key terms:
monotremes
mammals
placental
platypus
species
fossil
echidna
placental mammals
marsupials
million years
genus
zaglossus
jaw
recent
suggests
temperature
lineage
aculeatus
other mammals
ancestor
divergence
million years ago
hypothesis
oldest
features
opening
million years old
theria
taxonomy
evidence
rather than
chromosome
provide
genetic
split
common ancestor
gives
lca
molar
egg
monotremes and marsupials
tooth
thought
primitive
french island
cloaca
synapsid
bones
birds
mammalian
miocene
eutheria
reptiles
venom
separate
specimen
more recent
divergence between
below
derived
Search external links cited by footnotes on Wikipedia page Monotreme:
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