Dinichthyloidea
Encyclopedia
The Dinichthyloidea were a superfamily
of placoderms, armored fish most diverse during the Devonian
. They contain numerous extremely large species
, such as Titanichthys agassizi which fed on small animals and the apex predator
Dunkleosteus terrelli.
Taxonomic rank
In biological classification, rank is the level in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, and class. Each rank subsumes under it a number of less general categories...
of placoderms, armored fish most diverse during the Devonian
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...
. They contain numerous extremely large species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
, such as Titanichthys agassizi which fed on small animals and the apex predator
Apex predator
Apex predators are predators that have no predators of their own, residing at the top of their food chain. Zoologists define predation as the killing and consumption of another organism...
Dunkleosteus terrelli.
Systematics
- Basal genusGenusIn biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
Erromenosteus - FamilyFamily (biology)In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Dinichthyidae - Family Trematosteidae
- Family Rachiosteidae
- Family Pachyosteidae
- Family Titanichthyidae
- Family Bungartiidae
- Family Selenosteidae
- Family Mylostomatidae