Ottoia
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Ottoia is a stem-group archaeopriapulid worm known from Cambrian fossils. Although priapulid-like worms from various Cambrian deposits are often referred to Ottoia on spurious grounds, the only clear
Ottoia reconstruction
Ottoia prolifica NMNH 57622
Holotype specimen of Ottoia tricuspida, from Smith et al. 2015
Teeth of Ottoia prolifica, from Smith et al. 2015
Priapulida
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Priapulida, sometimes referred to as penis worms, is a phylum of unsegmented marine worms. The name of the phylum relates to the Greek god of fertility, because their general shape and their extensibl
Ottoia
…Ottoia prolifica, illustrating annulation and the eversible proboscis. From Smith et al. (2015) Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Family: †Ottoiidae Walcott, 1911 Genus: †Ottoia Walcott, 1911 Species O. prolifica Walcott, 1911 (type) O. tricuspida Smith et al., 2015 Ottoia is a…
Priapulus caudatus