What should genera be composed of?
phylogenetic units
Are they of the same kind as something else?
yes
What type of rank is a genus?
A taxonomic rank
Is it used for mineral classification?
No
What type of classification then?
Living and fossil organisms
Is that biological?
Yes
Is genus above or below species in the hierarchy?
Above
What's it position relative to family?
Below
Who determines its composition?
A taxonomist.
Is it known whether aliens would fit within these classifications?
No
Are the standards for classification strictly codified?
No
How many criteria should a newly defined genus fulfill to be useful?
Three
What language does the term Genus come from?
Latin
What's one of the things it means in that language?
Origin
Who popularized its use?
Linnaeus book.
When?
1753