10 ENGLISH BOOKS RELATING TO «DIPHYCERCAL»
Discover the use of
diphycercal in the following bibliographical selection. Books relating to
diphycercal and brief extracts from same to provide context of its use in English literature.
1
Modern Text Book of Zoology: Vertebrates
R. L. Kotpal. PROTOCERCAL OR DIPHYCERCAL MODIFIED cyclostomes
primitive sharks lungfishes DIPHYCERCAL deep sea fishes and some larval
fishes Latimeria air duct oesophagus. Lepidosteus and Amia Polypterus
ABBREVIATED ...
1. nostril connected to mouth cavity 3-lobed diphycercal caudal fin 2. air bladder
connected to pharynx 3. lobe fins Fig. 2. Preadaptatioiu (1, 2 and 3) in
Euthenopteran for terrestrial life. Key characters of Latimeria (1) Scales are
cycloid.
En do cranium not ossified throughout. 2. Tail diphycercal. Examples : Uronemus,
Conchopoma. Order 4. Ctenodontiformes (Extinct) 1. Endocranium not ossified. 2
. No dentary. 3. Tail diphycercal. 4. Dorsal, caudal and anal fins continuous.
Dr. M. C. Bhatnagar, Dr. Geeta Bansal
4
The vertebrate skeleton
and is said to be diphycercal. This condition is generally regarded as the most
primitive one ; it occurs in the Ichthyotomi, Holocephali, all living Dipnoi,
Polypterus (fig. 27, Jfl) and some extinct Crossopterygii, and a few Selachii and
Teleostei.
5
A Textbook of Vertebrate Zoology
... a squamosal traversed by the jugal sensory canal; clavicle is present; two
dorsal fins, caudal fin, diphycercal (or of types described as gephyrocercal;
heterodiphyceral, or heterocercal); internal nafes (choanae) present;
endocranium usually ...
S N Prasad, S. N. Prasad, Vasantika Kashyap, 1989
6
The Fishes of North and Middle America: A Descriptive ...
sal fin long and low, beginning near middle of body, of slender rays embedded in
tho skin; anal similar to dorsal, both connected to the caudal fin; tail diphycercal;
pectoral fins small, ventral fins wanting. Vent remote from the head, without ...
David Starr Jordan, Barton Warren Evermann, 1898
7
Pamphlets on forestry. Fish and game
Percesoces: Yentral fins abdominal, each of 1 spine and 5 rays; dorsal spines
few, usually forming a separate fin ; gill structures and structure of mouth normal ;
the tail diphycercal. Ammodytoidei : Ventral fins wanting ; no spines in any of the
...
Barton Warren Evermann, David Starr Jordan, 1896
8
Ecology and Conservation of Fishes
Two.species.are.large. live-bearing.marine.fishes.with.ancient.features.such.as.
an.intracranial.joint,.fat-filled.lung,.and. diphycercal.tail..Lungfishes.have.
functional.lungs,.two.otoliths,.and.a.continuous.diphycercal.cau- dal.fin.
(A) The ontogeny of a "higher" teleost (the flatfish Pleuronectes) showing
transition from diphycercal to heterocercal (upper lobe larger than lower) to
homocercal (equal-lobed) tail. (B) Comparative anatomy of adult tails in
sequence of primitive ...
Major caudal fin (tail) modifications in fishes: (a) diphycercal (Iungfishes and
bichirs); (b) heterocercal (sharks); (c) homocercal (most bony fishes).
Heterocercal tails may be further subdivided: ifthe dorsal lobe is larger than the
ventral lobe, it is ...
NEWS ITEMS WHICH INCLUDE THE TERM «DIPHYCERCAL»
Find out what the national and international press are talking about and how the term
diphycercal is used in the context of the following news items.
A lamprey from the Cretaceous Jehol biota of China
The tail seems diphycercal rather than hypocercal on the same specimen. Lacking mineralized tissues such as bone or calcified cartilage, ... «Nature.com, Jun 06»
