Phylum: Chordata Order: Pycnodontiformes Order: Pycnodontidae Kingdom : Animalia Formation : Ypresian, England Country- United Kingdom Continent – Europe Class- Osteichthyes The right mandible contains three rows of teeth. The inner or principle row has five normal teeth in series and a sixth, the anterior one, replaced by what...
Type status : Holotype, NHM , London,UK. Phylum – Chordata Order – Pycnodontiformes Formation – Upper Greensand Formation Country – United Kingdom Continent – Europe Class- Osteichthyes It carries five rows of tritorial teeth. The central series is composed of eight reniform teeth (Kidney shaped). They have an elongated...
Phylum: Chordata Order: Pycnodontiformes Order: Pycnodontidae Kingdom : Animalia Formation : Gault Formation Country- United Kingdom Continent – Europe Class- Osteichthyes Right mandible (lower Jaw) with most of the crown (tritoral) teeth. The dental armature is composed of four ranks on the anterior and three on the posterior area...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Scorpaeniformes Family: Cyclopteridae Genus: Cyclopterus Species: C. lumpus Description Cyclopterus lumpus has rigid laterally compressed body, with eyes present on either sides. First dorsal fin present but covered by thick layer of skin forming a characteristic high crest with embedded spines. Bony tubercles...
Kingdom: Animalia Phylum: Chordata Superclass: Osteichthyes Class: Actinopterygii Order: Perciformes Suborder: Labroidei Family: Scaridae Description Mouth is terminal, usually with prominent lips; mouth slightly to extremely protrusive; maxilla not exposed on the cheek; teeth in jaws usually separate and caniniform, the anteriormost 1 or 2 pairs typically enlarged and...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Salmoniformes Family: Salmonidae Genus: Salmo Species: S. salar Description fish exchange gases using gills on either side of the pharynx. Gills are tissues which consist of threadlike protein structures called filaments. These filaments have many functions including the transfer of ions and water, as well as the...
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Pycnodontiformes Family: Pycnodontidae Genus: Pycnodus Description Pycnodus Bowerbanki is a extinct species of ray-finned fish ranging from the Cretaceous to Eocene periods. As its name suggests, it is the type genus of Pycnodontiformes. The known whole fossils of Pycnodus are around 12 centimetres (5 in) long, and have a superficial resemblance to angelfish or butterflyfish. The animals,...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Rajiformes Family: Rajidae Description The jaws of the skate is wide and powerful it located on the ventral side of the organism as it is feeds on the bottom surface. There are between 40–56 rows of teeth present in each of the...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Superorder: Batoidea Description The Stingrays settle on the bottom while feeding, and it is feeds primarily on molluscs, crustaceans, and occasionally on small fish. Some stingrays’ mouths contain two powerful, shell-crushing plates. The dental plates of a ray is characteristic of a cockscomb...
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Pristiformes Family: Pristidae Genus: Anoxypristis Species: A. cuspidata Description The head of pointed sawfish is flattened. The snout is like a bkade bearing 18-22 pairs of lateral teeth. The blade like snout is slender, not tapering distally. Nostrils very narrow with small...
