, Psammosteidae) devona SSSR [Devonian Psammosteids (Agnatha
, Psammosteidae) of the USSR].
Studies of Palaeozoic Thelodonti (Craniata: Agnatha
Since their appearance, included in the gut of Agnatha
and as an extramural structure from chondrichthyes (Zapata et.
Loganellia (Thelodonti, Agnatha
) from the Jaagarahu Stage, Wenlock, Estonia.
HAGATNA Guam AGNATHA
Web2) and ATAGHAN (OED)
Class 1 Agnatha
(Cyclostomata, Lampreys and Hagfish)
Hagfish, Eptatretus spp., of the class Agnatha
, family Myxinidae, are among the most primitive and unique of fishes.
Yvonaspis, nouveau genre d'Osteostraci (Vertebrata, Agnatha
) du Devonien (Emsien--Eifelien) des Gres de Gaspe (Quebec, Canada).
9:15 A MORPHOLOGICAL DESCRIPTION OF THE SKIN OF HAG- FISH MYX1NE GLUTINOSA (AGNATHA
: MYXINI), Rasheecla S.
From a taxonomic perspective, the Rhytididae as a whole were monographed by Mollendorff (1903) in his treatment of the Agnatha
. For the southern African species, this brought a degree of order to the piecemeal description of taxa which had occurred up to that point, helping to clarify the generic affinities of the described species.
Thyroid hormone biosynthesis in Agnatha
Cope, 1889 Subclass THELODONTI Kiaer, 1932 INCERTI ORDINIS Family OESELIIDAE nov.