File:20191107 Panarthropoda head segments appendages extant en.png
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Summary
| Description |
English: Alignment of anterior somites (body segments) and appendages across various extant panarthropod taxa (as of mid 2010s).
Onychophora (onychophoran/velvet worm):
Tardigrada (tardigrade/waterbear/moss piglet):
Chelicerata: Pycnogonida (pycnogonid/sea spider):
Chelicerata: Euhelicerata (euchelicerate: "merostome" and arachnid): Myriapoda (myriapod: centipede, millipede etc.):
"Crustacea" (crustacean: shrimp, crab, barnacle, waterflea etc.):
Hexapoda (hexapod: insect, springtail etc.)
Fossil taxa-included version: Euarthropod version: References：
日本語:  |
| Date | |
| Source | Own work |
| Author | Junnn11 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:59, 17 October 2022 | | 1,550 × 530 (34 KB) | wikimediacommons>Junnn11 | Onychophora head |
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