-
Cyclostome is a
biological term (from the Gr**** for "round mouth") used in a few
different senses: for the
taxon Cyclostomi,
which comprises the extant...
- with jaws (called gnathostomes) than to
cyclostomes.
Biologists historically disagreed on
whether cyclostomes are a clade. The "vertebrate hypothesis"...
-
Gonozooids act as
brood chambers for
fertilized eggs.
Almost all
modern cyclostome bryozoans have them, but they can be hard to
locate on a
colony because...
- the
evidence provided by
Heimberg et al. and
prepared to
admit that
cyclostomes are, in fact, monophyletic. The
consequence is that they may tell us...
- Cyclostomatida, or
cyclostomata (also
known as
cyclostomes), are an
ancient order of
stenolaemate bryozoans which first appeared in the
Lower Ordovician...
-
consisting of both
living (
cyclostomes) and
extinct (conodonts, anaspids, and ostracoderms,
among others).
Among recent animals,
cyclostomes are
sister to all...
-
large notochord as adults, and pouch-shaped
gills (Marspibranchii).
Cyclostomes were
regarded as
either degenerate cartilaginous fishes or primitive...
- the
intervertebral discs. In
other taxa, such as
chondrichthyans and
cyclostomes, it
constitutes a much
greater proportion of the skeleton. It is not...
-
hagfish Tethymyxine. Myxinikela's
anatomy displays basal features of
cyclostomes (cartilaginous
branchial baskets,
separation between esophageal and branchial...
-
unanimously in
consensus of
cyclostome monophyly, with more
recent work
being directed at
shared microRNAs between cyclostomes and gnathostomes. The current...