A new study reveals a record-breaking pace in species discovery, identifying over 16,000 new species annually. Led by the ...

Principles of taxonomy -- Formal classification of mammalia -- Review of mammalian classification -- Bibliography -- Index to technical names -- Index to vernacular ...

Early mammal classification is controversial. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The earliest known mammal was a tiny, shrewlike ...

A species is a group of living organisms that are all broadly similar and can, at least in principle, breed with one another. This seems straightforward enough, but the word “species” is actually ...