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Megacheira (from Ancient Greek μέγας (mégas), meaning "great", and χείρ (kheír), meaning "hand", also historically great appendage arthropods) is an extinct class of early Paleozoic predatory arthropods defined by their possession of spined "great appendages". Their taxonomic position is controversial, with studies generally either considering them…
Art, Taxonomy & Morphology
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appendages great megacheirans arthropods fortiforceps leanchoilia yohoia group haikoucaris suggested studies cambrian limbs upper also chelicerates alalcomenaeus stem-group body typically
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Yohoia being structurally comparable to the raptorial maxillipeds of mantis shrimp | instance of | with those of some genera | 0.80 | text |
| Leanchoilia | instance of | The spines on the great appendages of leanchoilid megacheirans | 0.80 | text |
| Yawunik are elongated | instance of | The spines on the great appendages of leanchoilid megacheirans | 0.80 | text |
| whip-like | instance of | The spines on the great appendages of leanchoilid megacheirans | 0.80 | text |
| suggesting an antennae-like sensory role alongside predatory function | instance of | The spines on the great appendages of leanchoilid megacheirans | 0.80 | text |
| Forfexicaris | instance of | genera | 0.80 | text |
| Ovalicephalus | instance of | genera | 0.80 | text |
| and Occacaris to Megacheira was questioned by later investigations | instance of | genera | 0.80 | text |
| Megacheira | related to Morphology | Megacheirans | 0.60 | section |
| Megacheira | related to Morphology | The | 0.60 | section |
| Megacheira | related to Morphology | Yohoia | 0.60 | section |
| Megacheira | related to Morphology | Leanchoilia | 0.60 | section |
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