Emeraldella

[1] 21 specimens of Emeraldella are known from the Greater Phyllopod bed, where they comprise < 0.1% of the community.[5] It has been placed as a basal member of the clade Vicissicaudata within Artiopoda, a group of arthropods containing trilobites and their relatives.[5] Caudal flaps are present on the terminal tergite, alongside an elongated spine.[3] E. brocki is at least 60 mm in length, it possesses 12 tergites in the trunk section, with an extended telson.[3] E. brutoni is up to 50 mm in length, possesses 10 trunk tergites and a clear ocellii.
Reconstruction of Emeraldella brutoni
PreꞒScientific classificationEukaryotaAnimaliaArthropodaArtiopodaVicissicaudataWalcottType speciesarthropodMiddle CambrianBurgess ShalePhyllopod bedWheeler ShaletrilobitestergitestelsonattenulaOcular structuresocelliiBibcodeEcdysozoaPanarthropodaBailongiaFalcatamacarisMolariaSquamaculaThulaspisUrokodiaAcanthomeridionZhiweniaCarimersaKodymirusSidneyiaTardisiaCheloniellidaCheloniellonAglaspididaAngarocarisAustralaglaspisBeckwithiaTremaglaspididaeCyclopitesAglaspididaeAglaspisAglaspoidesTrilobitomorphaArthroaspisKwanyinaspisPygmaclypeatusRetifaciesXandarellidaCindarellaLuohuilinellaPhytophilaspisSinoburiusXandarellaNektaspidaEmucarididaeEmucarisKangacarisNaraoiidaeMisszhouiaNaraoiaLiwiidaeBuenaspisSoomaspisTariccoiaConcilitergaHelmetiaKuamaiaSaperionTegopelteTrilobitaWikidataOpen Tree of LifePaleobiology Database