Hamulinidae Temporal range:
Cretaceous,
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Hamulina astieri from southern Alps, on display at Galerie de paléontologie et d'anatomie comparée, Paris | |
Scientific classification
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Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | † Ammonoidea |
Order: | † Ammonitida |
Suborder: | † Ancyloceratina |
Superfamily: | † Ancyloceratoidea |
Family: | †
Hamulinidae Gill, 1871 |
Hamulinidae is an extinct ammonoid cephalopod family belonging to the order Ammonitida. [1] These cephalopod were fast-moving nektonic carnivores. They lived during the Lower Cretaceous period (Lower Barremian - Upper Barremian).
The long main shaft is followed by a hook and a shorter, close, parallel or slightly divergent final shaft. The ammonitic suture is with a subtrifid L. The U is usually reduced or indifferentiated in adults.
Hamulinidae Temporal range:
Cretaceous,
| |
---|---|
| |
Hamulina astieri from southern Alps, on display at Galerie de paléontologie et d'anatomie comparée, Paris | |
Scientific classification
![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | † Ammonoidea |
Order: | † Ammonitida |
Suborder: | † Ancyloceratina |
Superfamily: | † Ancyloceratoidea |
Family: | †
Hamulinidae Gill, 1871 |
Hamulinidae is an extinct ammonoid cephalopod family belonging to the order Ammonitida. [1] These cephalopod were fast-moving nektonic carnivores. They lived during the Lower Cretaceous period (Lower Barremian - Upper Barremian).
The long main shaft is followed by a hook and a shorter, close, parallel or slightly divergent final shaft. The ammonitic suture is with a subtrifid L. The U is usually reduced or indifferentiated in adults.