411 REFERENCE · Wiktionary
Eurypterida
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
thumb|Eurypterus genus reconstruction
Etymology
mul Eurypterus ida
Proper noun
†
class phylum Arthropoda sea scorpions, eurypterids, that becamse extinct around the Permian–Triassic extinction event (c. 250 million years ago)
Hypernyms
class ; Chelicerata subphylum subphylum; Merostomata class class; †Eurypterida order order
Hyponyms
class Brachyopterelloidea superfamily, Dolichocephala superfamily, Eurypteroidea superfamily, Glyptoscorpioidea superfamily, Hughmillerioidea superfamily, Kokomopteroidea superfamily, Megalograptoidea superfamily, Mixopteroidea superfamily, Mycopteropoidea superfamily, Mycteroptidae superfamily, Pterygotoidea superfamily, Rhenopteroidea superfamily, Slimonioidea superfamily, Stylonuroidea superfamily superfamilies
References