Merostomoidea
| Merostomoidea Temporal range: Cambrian | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata? |
| Class: | Merostomoidea† Størmer, 1944 |
| Orders | |
| |
Merostomoidea is a paraphyletic group of fossil arthropods. They have been described as a transitional form between trilobites and true chelicerates.
Sources
http://www.palaeos.com/Invertebrates/Arthropods/Arachnomorpha.html#Merostomoidea
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