- The
Pituriaspida ('Pituri-shield' or 'hallucinogen-shield') are a
small group of
extinct armored jawless fishes with
tremendous nose-like rostrums, which...
-
Cephalaspidomorphi † (early
jawless fish) (unranked)
Galeaspida † (unranked)
Pituriaspida † (unranked)
Osteostraci †
Infraphylum Gnathostomata (jawed vertebrates)...
- †
Pituriaspida †Osteostraci
Gnathostomata (jawed vertebrates)...
-
groups more
clearly related to the Osteostraci, such as
Galeaspida and
Pituriaspida, that were
largely unknown in the 1920s. Some
reference works and databases...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †
Pituriaspida †Osteostraci...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †
Pituriaspida †Osteostraci...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †
Pituriaspida †Osteostraci...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †
Pituriaspida †Osteostraci...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †
Pituriaspida †Osteostraci...
- appear. 440 Ma
First agnathan fishes: Heterostraci, Galeaspida, and
Pituriaspida. 420 Ma
Earliest ray-finned fishes,
trigonotarbid arachnids, and land...
