Name: Titanichthys ‭(‬Titan fish‭)‬.
Phonetic: Tie-tan-ick-fiss.
Named By: John Strong Newberry‭ ‬-‭ ‬1885.
Synonyms: Brontichthys.
Classification: Chordata,‭ ‬Placodermi,‭ ‬Arthrodira,‭ ‬Brachythoraci,‭ ‬Coccosteina,‭ ‬Dinichthyloidea,‭ ‬Titanichthyidae.
Species: T.‭ ‬agassizi‭ (‬type‭)‬.
Diet: Carnivore/Possibly a filter feeder.
Size: Easily up to 8 meters long, possible larger up to 10 meters long. Size depends upon species.
Known locations: Worldwide.
Time period: Famennian of the Devonian.
Fossil representation: ‭I‬nitially many remains but usually of a fragmentary nature,‭ ‬a more complete and articulated specimen has since been discovered.

       While Titanichthys appears to have been as large as the fearsome Dunkleosteus,‭ ‬it does not seem to have had the same apex predator lifestyle.‭ ‬Whereas Dunkleosteus had jaws‭ ‬that‭ ‬where incredibly sharp for biting through the armour of other bony placoderms,‭ ‬the jaws of Titanichthys were actually very blunt in comparison.‭ ‬A possible scenario is that Titanichthys used its huge mouth to swallow up large numbers of small shoaling fish that were together,‭ ‬or perhaps even to filter for krill like invertebrates.‭ ‬If true then this would make Titanichthys one of the earliest known filter-feeding fish.

Further reading
- Placodermi, by R. Denison. - In. Handbook of Palaeoichthyology 2:1-128. - H.-P. Schultze - (ed.).


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