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- Pterichthyodes abstract "Pterichthyodes is a genus of antiarch placoderm fishes from the Devonian period. Its fossils have been discovered in Scotland. They were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century. Due to their extreme divergence from modern-day fish, they were a puzzle unsolved until Charles Darwin brought forward his theories on evolution.[citation needed] As with all other antiarchs, Pterichthyodes had heavily armored heads and forebodies, while their scaly tails were unarmored. Specimen length ranges from 8 inches (20 cm) to 12 inches (30 cm). As placoderms, they were members of the earliest known vertebrates to possess jaws, though they had grinding plates rather than teeth. The generic name ofPterichthyodes refers directly to their odd wing-like appendages ("pterichthys" being a compound crassis word from Ancient Greek for "wing-fish"), which correspond to and were derived from the pectoral fins seen in modern fish and other non-antiarch placoderms. Fossils of Pterichtyodes showing eyes positioned on the direct of the head and a "ventrally flattened trunk shield" suggest that it was a "bottom dweller", living at the bottom of lakes, where it might have crawled using its pectoral appendages. It has also been theorized that Pterichthyodes and other antiarchs used these appendages to bury itself.Pterichthyodes would have fed by browsing shallower areas of the lake bed for decaying detritus.".
- Pterichthyodes class Placodermi.
- Pterichthyodes family Pterichthyodidae.
- Pterichthyodes kingdom Animal.
- Pterichthyodes order Antiarchi.
- Pterichthyodes phylum Chordate.
- Pterichthyodes synonym "†Pterichthys".
- Pterichthyodes thumbnail Exhibit_Museum_of_Natural_History,_Ann_Arbor_-_IMG_9165.JPG?width=300.
- Pterichthyodes wikiPageID "348779".
- Pterichthyodes wikiPageRevisionID "580673501".
- Pterichthyodes classis "†Placodermi".
- Pterichthyodes familia Pterichthyodidae.
- Pterichthyodes familiaAuthority "Stensiö, 1948".
- Pterichthyodes genus "†Pterichthyodes".
- Pterichthyodes hasPhotoCollection Pterichthyodes.
- Pterichthyodes imageCaption "Pterichthyodes milleri fossil on display at the University of Michigan Exhibit Museum of Natural History".
- Pterichthyodes name "Pterichthyodes".
- Pterichthyodes ordo Antiarchi.
- Pterichthyodes phylum Chordate.
- Pterichthyodes rangeMap "Pterichthyodes finds map.png".
- Pterichthyodes rangeMapAlt "A map of the United Kingdom area, with Scotland colored".
- Pterichthyodes regnum "Animalia".
- Pterichthyodes synonyms "†Pterichthys".
- Pterichthyodes subject Category:Antiarchi.
- Pterichthyodes subject Category:Prehistoric_fish_of_Europe.
- Pterichthyodes type Animal100015388.
- Pterichthyodes type AquaticVertebrate101473806.
- Pterichthyodes type Chordate101466257.
- Pterichthyodes type LivingThing100004258.
- Pterichthyodes type Object100002684.
- Pterichthyodes type Organism100004475.
- Pterichthyodes type PhysicalEntity100001930.
- Pterichthyodes type Placoderm101480106.
- Pterichthyodes type Placoderms.
- Pterichthyodes type Vertebrate101471682.
- Pterichthyodes type Whole100003553.
- Pterichthyodes type Animal.
- Pterichthyodes type Eukaryote.
- Pterichthyodes type Species.
- Pterichthyodes type Animal.
- Pterichthyodes type BiologicalLivingObject.
- Pterichthyodes type EukaryoticCell.
- Pterichthyodes type Organism.
- Pterichthyodes comment "Pterichthyodes is a genus of antiarch placoderm fishes from the Devonian period. Its fossils have been discovered in Scotland. They were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century.".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes label "Pterichthyodes".
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes sameAs m.01y_xg.
- Pterichthyodes sameAs Q719429.
- Pterichthyodes sameAs Q719429.
- Pterichthyodes sameAs Pterichthyodes.
- Pterichthyodes wasDerivedFrom Pterichthyodes?oldid=580673501.
- Pterichthyodes depiction Exhibit_Museum_of_Natural_History,_Ann_Arbor_-_IMG_9165.JPG.
- Pterichthyodes isPrimaryTopicOf Pterichthyodes.
- Pterichthyodes name "Pterichthyodes".
