Ciro Santilli @cirosantilli 34

Name of the clade of archaea plus eukarya proposed at: www.frontiersin.org/articles/10.3389/fmicb.2015.00717/full. Much better term than prokaryote as that is not a clade. Let's hope it catches on!

There's six to eight in different systems of the end of the 20th century:This mess is because people don't realize that clades are all that really matter.

Basically the same as clade.

The weirdest mammal clade: they lay fucking eggs. Only 5 known species alive as of 2020.

Eggs are basal: they simply didn't evolve out of what other reptiles do. From which we conclude that milk came before eggs stopped.

So this is the most basal subclade of mammals.

Etymology: means "single hole" in Greek, because like other reptiles it has a single hole for shit, pee and fucking: the cloaca.

Anything that is not eukaryote, i.e. archaea and bacteria, see e.g.: Figure "Coral of life by János Podani (2019)".

Not a clade, and therefore a term better forgotten!

A clade name for arkarya is a proposed clade name for archaea plus eukarya.

This being a class is bullshit because it is not a clade, notably birds are not considered reptiles, but they are clearly in the clade.

Naming taxonomic ranks like genus, domain, etc. is a fucking waste of time, only useful before we developed molecular biology.

All that matters is the tree of clades with examples of species in each clade, and common characteristics shared by the clade.

And with molecular biology, we can build those trees incredibly well for extant species. When extinct species are involved however, things get more complicated.