Taking a look at an ancient crinoid (relative of seastars) lineage that nearly died out

Phylogeny and macroevolution of a “dead clade walking”: a systematic revision of the Paragaricocrinidae (Crinoidea) by Richard G. Keyes, David F. Wright, and William I. Ausich Summarized by Alberto Farfan, Alberto lives in the Bronx, New York, and is a… Continue reading →