-
Cyclostomi,
often referred to as
Cyclostomata /sɪkloʊˈstɒmətə/, from
Ancient Gr**** κύκλος (kúklos),
meaning "circle", and στόμα (stóma),
meaning "mouth"...
-
related to each
other than to
jawed vertebrates, thus
forming the
clade Cyclostomi. The oldest-known stem
group hagfish are
known from the Late Carboniferous...
- more
closely related to each
other than to
jawed fish,
forming the
clade Cyclostomi. The
oldest fossil agnathans appeared in the Cambrian.
Living jawless...
-
jawless fish, than they are to
jawed vertebrates,
forming the
superclass Cyclostomi. The
oldest fossils of stem-group
lampreys are from the
latest Devonian...
- smelling,
which can also be
referred to as
nostrils (with the
exception of
Cyclostomi,
which have just one nostril). In humans, the
nasal cycle is the normal...
-
Conodonta †
Cyclostomi...
- into two main directions:
jawless fishes like
conodonts leading to the
Cyclostomi, and
jawless fishes like the
Cephalaspidomorph who
developed armors and...
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Clade Order Family Diadromous Anadromous Catadromous Amphidromous Cyclostomi Lampreys Geotriidae 1 1
Mordaciidae 2 2
Petromyzontidae 8 8
Chondrostei Acipenseriformes...
-
Jamoytius Lasanius Cyclostomi?
Euphaneropidae Achanarella Ciderius Cornovichthys Euphanerops...
- nomenclature).
Dumeril (1806)
grouped hagfishes and
lampreys in the
taxon Cyclostomi,
characterized by
horny teeth borne on a tongue-like apparatus, a large...