Ottoia is a stem-group archaeopriapulid worm known from Cambrian fossils. Although priapulid-like worms from various Cambrian deposits are often referred...

†Scolecofurca Conway Morris 1977 Family †Ottoiidae Walcott 1911 Genus †Ottoia Walcott 1911 Family †Corynetidae Huang, Vannier & Chen 2004 Genus †Corynetis...

Ottoia Walcott 1911 Ottoia cylindrica Sun & Hou 1987 Ottoia guizhouenis Yang, Zhao & Zhang 2016 Ottoia prolifica Walcott 1911 (Burgess Shale) Ottoia tenuis...

on its proboscis. The species was previously placed in the genus Ottoia, as Ottoia minor, but was removed by Simon Conway Morris, who noted morphological...

eat Atherton. Canton theorizes that the creatures are an evolution of the Ottoia, which drain their victims of their bodily fluids and then eject the carcasses...

middle Cambrian faunas, appearing in Chengjiang to Burgess Shale. The genus Ottoia has more or less the same build as modern priapulids, but phylogenetic analysis...

Clockwise from top left: Marrella, Hallucigenia, Waptia, Sidneyia, Anomalocaris, Olenoides, Ottoia, Wiwaxia...

Scalidophora Ottoia prolifica from the Walcott Quarry of the Burgess Shale (Middle Cambrian) near Field, British Columbia, Canada. Scientific classification...

Stratigraphic range: Miaolingian ~508 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Ottoia, a soft-bodied worm, abundant in the Burgess Shale. (From Smith et al. 2015)...

are often referred to Ottoia on spurious grounds, the only clear macrofossils of this genus come from the Burgess Shale. Ottoia was a burrower that hunted...

of the intestine and the shape of the body are more similar to those of Ottoia. It takes the form of a round, medusoid disk (which originally led to suggestions...

Artem (ed.). "The macro‐ and microfossil record of the Cambrian priapulid Ottoia". Palaeontology. 58 (4): 705–721. doi:10.1111/pala.12168. ISSN 0031-0239...

E. (1970). "A restudy of the Middle Cambrian Burgess Shale fossil worm, Ottoia prolifica" (PDF). Proceedings of the International Symposium on the Biology...

pripaulid. Ottoia Priapulida (?) Archaeopriapulida At least 1000 specimens This priapulid is the most common worm of the Burgess shale. Ottoia was a burrower...

E. (1970). "A restudy of the Middle Cambrian Burgess Shale fossil worm, Ottoia prolifica" (PDF). Proceedings of the International Symposium on the Biology...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10...

gut. It reached 5 cm in length. Along with the other Cambrian priapulids Ottoia, Selkirkia, Louisella, Ancalagon, Scolecofurca, and Lecythioscopa, the organism...

Ottoia, a soft-bodied worm, abundant in the Burgess Shale....

conodonts. Palaeoscolecidan worms, including Liexiscolex and a possible Ottoia specimen, are of great interest. Early Ordovician priapulids, similar to...

Specimens of Haplophrentis have been found in the gut of the predator Ottoia. 186 specimens of Haplophrentis are known from the Greater Phyllopod bed...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia". Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10.1111/pala...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia". Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10.1111/pala...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10...

Ctenocystis Gogia Lyracystis Ponticulocarpus Totiglobus Margaretia Sphenoecium Ottoia Selkirkia Wronascolex? Acinocricus Hallucigenia Brooksella? Protospongia...

utahensis Crumillospongia sp. - hazeliid monaxonid demosponge Diagonella sp. Ottoia prolifica - a stem group and it was an archaeopriapulid Selkirkia sp. -...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10...

J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10...

serratus †Ophiacodon †Ophiacodon navajovicus †Orthis †Oryctocephalus †Ottoia †Ottoia prolifica †Ozarkodina †Pagetia †Paladin Palaeoaplysina †Palaeoscolex...

Yuning Yang; Yuanlong Zhao; Xingliang Zhang (2016). "Fossil priapulid Ottoia from the Kaili biota (Cambrian Series 3) of South China". Journal of Systematic...

Butterfield (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. Bibcode:2015Palgy..58..705S. doi:10...