Tag: marine invertebrates
Fossil Friday: Kinorhyncha, Yet Another Animal Body Plan from the Cambrian Explosion
The earliest kinorhynchs were more complex than modern ones. So much for the evolutionary narrative from simple to complex.
Fossil Friday: Chronospecies, a Sinking Ship
The concept of chronospecies in paleontology was introduced by George (1956) for the naming of successive species in a single evolving lineage.
How Octopuses Got So Smart? “Junk DNA”
Jumping genes used to be dismissed as junk DNA which in turn was held to be slam-dunk evidence for unguided evolutionary processes.
Uncertain Affinities of Trilobozoa
That the same fossils can be attributed to at least six different phyla of marine invertebrates as well as terrestrial fungi really should give reason to pause.