However, genetic and field studies still support subspecies status under the biological species concept.

At this early stage in his career, Darwin came very close to the modern biological species concept.

Corner later defended his species concept in a 1991 publication.

But we are handling many different species concepts here.

This is particularly important to the biological species concept, as species are defined by reproductive isolation.

According to the biological species concept, these will be two different species.

After Mayr's 1942 book, many more species concepts were introduced.

They are a backup against misidentification, changing species concepts which mislead results.

While numerous other species concepts have been proposed and debated, this one continues to reign supreme.

Poulton is remembered as an early originator of the biological species concept.