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Pikaidae

Pikaidae

Taxonomy
Pikaidae was named by Walcott (1911). Its type is Pikaia.

It was assigned to Gephyrea by Walcott (1911); and to Chordata by Morris (1979).

Subtaxa
Oesia, Pikaia (type genus)

Synonymy list
YearName and author
1911Pikaidae Walcott p. 131
1979Pikaidae Morris

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
RankNameAuthor
phylumChordataHaeckel 1874
familyPikaidae
familyPikaidae

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Pikaidae Walcott 1911
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G. †Oesia Walcott 1911
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†Oesia disjuncta Walcott 1911
G. †Pikaia Walcott 1911
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†Pikaia gracilens Walcott 1911
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobilep
Created: 2004-02-29 10:26:37
Modified: 2004-02-29 12:26:37
Source: p = phylum
Reference: Kiessling 2004

Age range: base of the Middle Cambrian to the top of the Delamaran or 506.50000 to 505.30000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Delamaran509.7 - 505.3Canada (British Columbia) Oesia disjuncta (84421 84423) Oesia sp. (84412 84414 84416 84417 84418 84419 84420 84432 84433 84434 84436 84437) Oesia sp., Pikaia gracilens (84429 84435) Pikaia gracilens, Oesia disjuncta (84422 84424 84425 84428)
Middle Cambrian506.5 - 497.0Canada (British Columbia) Oesia sp. (171308)