Definition of Nektaspida. Meaning of Nektaspida. Synonyms of Nektaspida

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Definition of Nektaspida

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Meaning of Nektaspida from wikipedia

- Nektaspida (also called Naraoiida, Nektaspia and Nectaspida) is an extinct order of non-mineralised artiopodan arthropods. They are known from the mid-Cambrian...
- Restoration of the trilobite Triarthrus eatoni Fossils of Naraoia compacta (Nektaspida) Life restoration of Sidneyia (Vicissicaudata) Diagram of Sinoburius (Xandarellida)...
- Deuteropoda Artiopoda † Trilobita † Agnostida (possibly trilobites) † Nektaspida † Aglaspidida Cheloniellida † Bu****heia † Erratus † Fengzhengia † Fuxian****ida...
- referred to as the Chengjiang biota. 80 species, not counting Dinocarida, Nektaspida and Trilobita Acanthomeridion serratum Alalcomenaeus Almenia spinosa Apiocephalus...
- elevated out of the asaphid superfamily Trinucleioidea. Sometimes the Nektaspida are considered trilobites, but these lack a calcified exoskeleton and...
- Cindarella Luo****linella Phytophilaspis Sinoburius Xandarella Zhugeia Nektaspida Conciliterga Haifengella Helmetia Kuamaia Saperion Skioldia Tegopelte...
- Concilioterga  Order Helmetiida Nectopleura (e.g. Nektaspida) Naraoia Petalopleura  Order Xandarellida Trilobites, subclass Trilobita...
- Xandarellida Nektaspida...
- extinct, soft-s****ed trilobite-like arthropods, that belongs to the order Nektaspida. Species included in the Naraoiidae are known from the second half of...
- Cindarella Luo****linella Phytophilaspis Sinoburius Xandarella Zhugeia Nektaspida Conciliterga Haifengella Helmetia Kuamaia Saperion Skioldia Tegopelte...