| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trachelocrinida
Taxonomy
Trachelocrinida was named by Sumrall (1997). It is not extant.
It was assigned to Eocrinoidea by Sepkoski (2002).
It was assigned to Eocrinoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Trachelocrinida Sumrall |
| 2002 | Trachelocrinida Sepkoski |
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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. †Trachelocrinida Sumrall 1997
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Fm. †Heckerocrinidae Doweld 2012
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G. †Heckerocrinus Doweld 2012
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†Heckerocrinus elpasoensis Doweld 2012
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Invalid names: Bockia elpasoensis Sprinkle and Wahlman 1994 [replaced]
Invalid names: Bockia Hecker 1938 [replaced]
Invalid names: Bockiidae Ubaghs 1972 [replaced]
Fm. †Trachelocrinidae Sprinkle 1973
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Steptoean to the top of the Late/Upper Llandeilo or 497.00000 to 458.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Steptoean | USA (Wyoming) | Trachelocrinus sp., Trachelocrinus resseri (9516) | |
| Franconian | USA (Wyoming) | Tatonkacystis codyensis (9514) | |
| Millardan | USA (Montana) | Trachelocrinus sp. (90644 90672) | |
| Late/Upper Llandeilo | Norway | Bockia sp. (3250) | |
| Uhaku - Oandu | Sweden (Dalarne) | Bockia sp. (162388) |