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Errantia is a diverse group of marine polychaete worms in the phylum Annelida. Traditionally a subclass of the paraphyletic class Polychaeta , [ 4 ] it is currently regarded as a monophyletic group within the larger Pleistoannelida , composed of Errantia and Sedentaria . [ 2 ]
An edible seed [n 1] is a seed that is suitable for human or animal consumption. Of the six major plant parts, [ n 2 ] seeds are the dominant source of human calories and protein . [ 1 ] A wide variety of plant species provide edible seeds; most are angiosperms , while a few are gymnosperms .
Geophagia (/ ˌ dʒ iː ə ˈ f eɪ dʒ (i) ə /), also known as geophagy (/ dʒ i ˈ ɒ f ə dʒ i /), [1] is the intentional [2] practice of consuming earth or soil-like substances such as clay, chalk, or termite mounds.
It is the sister group of Errantia. [1] Sedentaria are mainly found within marine environments that have low oxygen levels and are specially adapted to these low oxygen environments by increasing gill surface area and having high-affinity respiratory proteins. Furthermore, they go through a process of metabolic depression which lowers their ...
Orbiniida is an order of small polychaete worms in the phylum Annelida. [3] It is the earliest diverging clade in Sedentaria. [2] Along with Protodriliformia (in Errantia), this order is composed of meiofaunal marine worms formerly known as "archiannelids". [4]
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Pleistoannelida is a group of annelid worms that comprises the vast majority of the diversity in phylum Annelida.Discovered through phylogenetic analyses, it is the largest clade of annelids, comprised by the last common ancestor of the highly diverse sister groups Errantia and Sedentaria (Clitellata and related polychaetes) and all the descendants of that ancestor.