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Ecdysozoa

Taxonomy
Ecdysozoa is an unranked clade.

It was assigned to Paracoelomata by Zrzavy et al. (1998); and to Protostomia by Peterson et al. (2005), Edgecombe et al. (2011) and Nielsen (2012).

Subtaxa
Cephalorhyncha, Cycloneuralia, Nematozoa, Palaeoscolecida, Panarthropoda, Scalidophora
Sister taxa
Cycloneuralia, Nematozoa, Panarthropoda, Scalidophora

View classification of included taxa

Synonymy list
YearName and author
1998Ecdysozoa Zrzavy et al.
2005Ecdysozoa Peterson et al. p. 38
2011Ecdysozoa Edgecombe et al. p. 153 figs. Fig. 1
2012Ecdysozoa Nielsen p. 238 figs. Fig. 22.1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
RankNameAuthor
—Protostomia
—Ecdysozoa
—Ecdysozoa

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range

Maximum range based only on fossils: base of the Ediacaran to the top of the Holocene or 635.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 541.0 Ma

Collections (28330 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 541.0Russian Federation (Arkhangelsk) Onega stepanovi (191887 191889 191890)
Ediacaran635.0 - 541.0Russian Federation Onega stepanovi (10256 191891)
Manykaian541.0 - 530.0Canada (Nova Scotia) Trilobita indet. (86747 86748)
Manykaian541.0 - 530.0Russian Federation (Siberia) Protohertzina ungullformis, Protohertzina anabarica (50424)
Meishucunian - Nemakit-Daldynian541.0 - 530.0China (Yunnan) Protohertzina anabarica (96451) Protohertzina anabarica, Protohertzina siciformis, Protohertzina unguliformis (96431 96433)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Krasnoyarsk) Protohertzina anabarica (99483)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Sakha) Protohertzina anabarica (99228) Protohertzina ungulata (99461)
Nemakit-Daldynian541.0 - 530.0China (Sichuan) Protohertzina sp. (8088)
Nemakit-Daldynian541.0 - 530.0China (Hunan) Protohertzina anabarica, Protohertzina siciformis, Protohertzina unguliformis (97714)
Nemakit-Daldynian541.0 - 530.0Kazakhstan Protohertzina anabarica (99319 99358) Protohertzina anabarica, Protohertzina unguliformis (99294 99295 99304)
Nemakit-Daldynian541.0 - 530.0China (Yunnan) Protohertzina anabarica, Protohertzina unguliformis (96432) Protohertzina sp. (96322) Protohertzina wangjiawanensis (106506)
Nemakit-Daldynian541.0 - 530.0China (Shaanxi) Paracanthodus variabilis, Protohertzina anabarica, Protohertzina unguliformis (86619) Protoconodontida indet. (86572 86573) Protohertzina anabarica, Protohertzina unguliformis (86552 86554 86555 86556 86561 86562) Protohertzina unguliformis (86553 86557 86558 86560 86564 86566 86567 86568 86569 86570 86571 86620)
Nemakit-Daldynian541.0 - 530.0China (Hubei) Protohertzina sp. (10499 97556)
Nemakit-Daldynian541.0 - 530.0India Protohertzina anabarica, Maldeotaia bandalica (99560)
Nemakit-Daldynian541.0 - 530.0Mongolia (Govi-Altay) Protohertzina anabarica (99556) Protohertzina sp., Protohertzina anabarica (99557) Protohertzina unguliformis (99555)
Nemakit-Daldynian541.0 - 530.0Iran Protohertzina anabarica (10526) Protohertzina sp. (10522)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Siberia) Protohertzina anabarica, Protohertzina unguliformis (50340 50414)
Nemakit-Daldynian - Tommotian541.0 - 520.0China (Hubei) Protohertzina anabarica, Protohertzina unguliformis (155448 155462 155464 155466)
Meishucunian541.0 - 516.0China (Shaanxi) Houscolex lepidotus, Houscolex sp., Trilobita indet., Ostracoda indet. (6851) Protohertzina sp. (107774)
Meishucunian541.0 - 516.0China (Guizhou) Protohertzina anabarica (106508 106516) Protohertzina sp., Protohertzina anabarica (106519)