Dunkleosteus

Scientific name: Dunkleosteus

Zoological classification

Boundary:? Animal kingdom? Animalia?

Door:? Chordata phylum? Chordata

Yamen:? Vertebrate subfamily? Vertebrata

Outline:? Fish? Placodermi

Purpose:? Arthropoda? Arthrodira

Family: fish phobia? Dinichthyidae

Genus: Dunaliella? Dunkleosteus? Lehman,? 1956

Geological age of existence: Late Silurian-Late Devonian

Distribution of fossils: Morocco, Africa, Poland, Belgium, USA.

summary

The appearance of Dungeon gives people an unusually fierce feeling. A strong spindle-shaped body similar to a shark is closer to the shape of modern fish. The head and neck are covered with a thick and hard exoskeleton. Although it is a carnivorous fish, it has no teeth. Instead of teeth, it is a redundant head nail in the snout, which is as sharp as hay cutter. Can cut and crush anything. Pigment cells showed that the back of Dungeon was dark and the abdomen was silver. Body length 10 meter, weight about 4 tons.

Dungeon fish lived in shallow waters and had an unusually strong appetite, making it the strongest carnivore at that time. Ancient sharks, cephalopods (nautilus, ammonites) and even their own kind are all its recipes. Dungeon fish, which has such a strong appetite, has been suffering from indigestion. Around the fossils found, some vomited and semi-digested fish remains can often be found. At the same time, we can also find some indigestible food residues from the stomach of Dungeon fish, such as the headgear of other shield fish and the calcium carbonate shell of mollusks.