Taxonomy and Phylogeny Flashcards
1
Q
What are some problems with phylogenetic analysis in the past?
A
Evolutionary relationships were not achieved through rigorous scientific analysis
too much reliance on stratigraphic distribution of fossils (what layers of rock they were found in)
2
Q
How are taxa grouped in cladistics?
A
Taxa that share many derived characters are grouped closer together than those who are not.
3
Q
What are the dinosaur taxonomic relationships?
A
- Synapsids (lower temporal opening)
- Anapsids (fully roofed temporal region)
- Diapsids (upper temporal and lower temporal opening
