Holcodiscus
Sign in to saveHolcodiscus is an extinct ammonite genus placed in the family Holcodiscidae. Species in this genus were fast-moving nektonic carnivores. The type species of the genus is Ammonites caillaudianus.
Wikidata facts
- Image
- Holcodiscidae - Holcodiscus fallax.JPG
Show 4 more facts
- taxon name
- Holcodiscus
- Commons category
- Holcodiscus
- start time
- 130000000-
- end time
- 84900000-0
Sources (1)
via Wikidata · CC0
~2 min read
Article
6 sectionsContents
- Description
- Species
- Distribution
- Gallery
- Notes
- External links
Holcodiscus is an extinct ammonite genus placed in the family Holcodiscidae. Species in this genus were fast-moving nektonic carnivores. The type species of the genus is Ammonites caillaudianus.
== Description == Circular to rectangular whorl section; fine, low, straight or flexuous simple or branched ribs, periodically truncated by thin, high, enlarged ribs bearing lateral and ventrolateral tubercles; inner whorls tending to have depressed whorl section and to resemble Olcostephanus.
Connections
Ammonoidea
Entity
Animalia
Entity
year
Entity
International Standard Book Number
Entity
Mollusca
Entity
Wikidata
Entity
taxonomy
Entity
Jurassic
Entity
Cretaceous
Entity
Alpes-de-Haute-Provence
Entity
Triassic
Entity
Cambrian
Entity
Devonian
Entity
Cephalopod
Entity
Permian
Entity
Silurian
Entity
Ordovician
Entity
Carboniferous
Entity
Internet Archive
Entity
Precambrian
Entity
Categories
Ammonites of EuropeAmmonites of North AmericaAmmonites of South AmericaAmmonitida generaBarremian lifeCretaceous ammonitesCretaceous ArgentinaCretaceous ColombiaCretaceous FranceCretaceous ItalyCretaceous SpainDesmoceratoideaEarly Cretaceous genus first appearancesFossils of ArgentinaFossils of ColombiaFossils of FranceFossils of Georgia (country)Fossils of ItalyFossils of SpainFossils of the United StatesHauterivian lifeSantonian genus extinctions