-
several extinct forms are
known to have had them. The
Epihyals and
Epibranchials lie
above their respective cerato- components,
slanting forwards, upwards...
-
distinctive characteristic, however, is the
crumenal organ, also
called epibranchial organ. This
consists of the
additional cartilage and gill
rakers on the...
- the
cranial sensory placodes (the olfactory, lens, otic, trigeminal,
epibranchial and
paratympanic placodes). The dual
origin cranial nerves are summarized...
-
accessory breathing organ. It is
formed by a
vascularized expansion of the
epibranchial bone of the
first gill arch, and is used for
respiration in air. This...
-
single basibranchial surrounded by two hypobranchials, ceratobranchials,
epibranchials and pharyngobranchials. The
median basibranchial is
covered by a toothplate...
-
ending in a
pointed snout. As in
related families (e.g. Argentinidae), an
epibranchial or
crumenal organ is
present behind the
fourth gill arch. This organ—analogous...
-
accessory breathing organ. It is
formed by
vascularized expansion of the
epibranchial bone of the
first gill arch and used for
respiration in air. Many species...
-
behind the basihyal, a pair of
ceratobranchial bones, and a pair of
epibranchial. The
latter two
bones form the
hyoid horns,
which are
contained in a...
-
inferior ganglion of the
vagus nerve are
embryonically derived from
epibranchial neurogenic placodes.[citation needed] Burt,
Alvin M (1993). Textbook...
- neurons) can be
divided into two groups, the
dorsolateral placodes and the
epibranchial placodes.
dorsolateral placodes includes: The
trigeminal placode, which...
