Paronychodon
Videos
Paronychodon is an extinct theropod dinosaur genus. It is a tooth taxon, often considered dubious because of the fragmentary nature of the fossils, which include "buckets" of teeth from many disparate
Comparison of troodontid teeth; K is P. lacustris
Patagonykuspuertai
Confuciusornis plumage pattern
Patagopteryx deferrariisi
Zapsalis
Videos
Zapsalis is a genus of dromaeosaurine theropod dinosaurs. It is a tooth taxon, often considered dubious because of the fragmentary nature of the fossils, which include teeth but no other remains.
Paronychodon
…on occasion been considered synonyms of Paronychodon, though there is little consensus. Paronychodon was in 1876 by Cope described as being similar to Zapsalis, another tooth taxon, itself often considered synonymous with Richardoestesia, a possible dromaeosaurid. Richardoestesia isosceles would, according to…
Photo of Edward Drinker Cope, the describer of Zapsalis.