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Holopodidae
Taxonomy
Holopodidae was named by Zittel (1879). Its type is Holopus.
It was assigned to Cyrtocrinida by Rasmussen (1961); and to Holopodina by Ubaghs et al. (1978), Žítt (1996) and Hess and Messing (2011).
It was assigned to Cyrtocrinida by Rasmussen (1961); and to Holopodina by Ubaghs et al. (1978), Žítt (1996) and Hess and Messing (2011).
Subtaxa
Cyathidium (syn. Micropocrinus, Pseudocupressocrinus), Holopus (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Holopodidae Zittel |
| 1961 | Holopodidae Rasmussen p. 238 |
| 1978 | Holopodidae Ubaghs et al. p. T838 |
| 1996 | Holopodidae Žítt p. 234 |
| 2011 | Holopodidae Hess and Messing p. 198 |
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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.
Fm. †Holopodidae Zittel 1879
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G. Cyathidium Steenstrup 1846
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†Cyathidium depressum Sieverts 1932
†Cyathidium gastaldii Michelin 1851
†Cyathidium holopus Steenstrup 1847
†Cyathidium senessei Valette 1934
Invalid names: Micropocrinus Michelin 1851 [synonym], Pseudocupressocrinus Valette 1934 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Cenomanian to the top of the Badenian or 99.60000 to 12.70000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Poland (Lesser Poland) | Cyathidium sp. (224101) | |
| Early/Lower Turonian | Czech Republic | Cyathidium depressum (90514 90515 90516 146401 146501) | |
| Coniacian | France | Pseudocupressocrinus senessei (59680) | |
| Late/Upper Maastrichtian | Netherlands | Cyathidium vlieksi (32161) | |
| Late/Upper Maastrichtian - Danian | Netherlands (Limburg) | Cyathidium vlieksi (32169) | |
| Late/Upper Maastrichtian - Danian | Netherlands | Cyathidium vlieksi (32160) | |
| Danian | Austria (Niederösterreich) | Cyathidium sp. (87002) | |
| Badenian | Poland | Cyathidium sp. (224105) |