Fishes of the Western North Atlantic, Lancelets, cyclostomes
, and sharks.
Middle Jurassic Cyclostome
Bryozoans from the Polish Jura.
Atlas of the vertebrate brain: morphological evolution from cyclostomes
He begins by describing the renal components and their functions, and then describes how they are developed and used by elasmobranchs, osteichthyans, cyclostomes
, amphibians, reptiles, birds, and mammals.
Nevertheless, prey remains from elephant seal stomachs show that they feed on a variety of epi- and mesopelagic, bioluminescent cephalopods, teleosts such as Pacific Hake, Merluccius productus, crustaceans, elasmobranchs, cyclostomes
, and tunicates.
Jackson and McKinney (1990) found that, in the Mesozoic and Cenozoic, communication among zooids was more extensive in cheilostomes than in cyclostomes
and that cheilostomes largely replace cyclostomes
, which implies a trend in mean degree of individuation for bryozoans as a whole.
Vertebrata Craniata (First Fascicle: Cyclostomes
and Fishes) (Lankester, R.
Stenolaemates, including the cyclostomes
, form their skeletons almost entirely of low-Mg calcite; mineralogical complexity is provided by the gymnolaemate cheilostomes (Smith et al.
In Fishes of the western North Atlantic, part 1: lancelets, cyclostomes
, and sharks (A.
Bayesian phylogenetic analysis supports monophyly of ambulacraria and of cyclostomes
The switch from cyclostomes
to cheilostomes, in both species dominance and abundance of indivi duals, has been drastic, although abundance is slightly decoupled from taxonomic richness (Fig.
In future studies, we should use these probes to isolate endostyle-specific genes from cephalochordates, cyclostomes
, and hemichordates.