Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Palaechinoidea
Taxonomy
Palechinida was named by Haeckel (1866).
It was reranked as the order Palaechinoidea by Kier (1966) and Hagdorn (2018).
It was assigned to Perischoechinoidea by Kier (1966); and to Eognathostomata by Hagdorn (2018).
It was reranked as the order Palaechinoidea by Kier (1966) and Hagdorn (2018).
It was assigned to Perischoechinoidea by Kier (1966); and to Eognathostomata by Hagdorn (2018).
Subtaxa
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Or. †Palaechinoidea Haeckel 1866
show all | hide all
Fm. †Palaechinidae M'Coy 1849
hide
G. †Lovenechinus Jackson 1912
G. †Maccoya Pomel 1869
G. †Oligoporus
G. †Palaechinus
G. †Wrightia
G. †Xysteria Pomel 1883
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class, p = phylum | |||||
References: Kiessling 2004, Hendy et al. 2009, Aberhan 1992 |
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Homerian - Gorstian | Sweden (Gotland) | Gotlandechinus balticus (13720) | |
Holkerian | United Kingdom (England) | Palaechinus sp. (41284) | |
Meramecian | USA (Indiana) | Melonechinus sp. (6699) | |
Asselian | USA (Texas) | Xenechinus parvus (43472) | |
Asselian | Greece | Melonechinus dispar (120899) |