ammonites

GPTKB entity

Statements (53)
Predicate Object
gptkbp:instanceOf extinct marine mollusks
gptkbp:class gptkb:Cephalopoda
gptkbp:diet carnivorous
gptkbp:extinct gptkb:Cretaceous–Paleogene_extinction_event
about 66 million years ago
gptkbp:firstAppearance gptkb:Devonian_period
gptkbp:fossilColor can be iridescent
gptkbp:fossilRange Devonian to Cretaceous
gptkbp:fossilUse gemstone (ammolite)
gptkbp:habitat marine environments
https://www.w3.org/2000/01/rdf-schema#label ammonites
gptkbp:importantFor paleontology
biostratigraphy
gptkbp:kingdom gptkb:Animalia
gptkbp:modernRelatives gptkb:lake
gptkb:squid
nautilus
gptkbp:namedFor gptkb:Jean-Baptiste_Lamarck
gptkbp:nameOrigin named after Egyptian god Ammon
gptkbp:notableFeature chambered shell
complex suture patterns
gptkbp:notableGenus gptkb:Acanthoceras
gptkb:Baculites
gptkb:Cleoniceras
gptkb:Dactylioceras
gptkb:Hoplites
gptkb:Oxynoticeras
gptkb:Parapuzosia
gptkb:Perisphinctes
gptkb:Placenticeras
gptkb:Scaphites
gptkbp:notableSite worldwide
gptkbp:phylum gptkb:Mollusca
gptkbp:predators large fish
marine reptiles
other cephalopods
gptkbp:range few centimeters to over 2 meters
gptkbp:relatedTo nautiloids
belemnites
gptkbp:reproduction eggs
gptkbp:shape coiled
uncoiled (in some species)
gptkbp:shellComposition aragonite
gptkbp:shellFunction protection
buoyancy control
gptkbp:shellType planispiral
gptkbp:softTissue rarely preserved
gptkbp:structure divided into chambers
gptkbp:subclassOf gptkb:Ammonoidea
gptkbp:suturePattern simple to highly complex
gptkbp:usedFor index fossils
gptkbp:bfsParent gptkb:Devonian_period
gptkbp:bfsLayer 4