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Histocidaridae
Taxonomy
Histocidarina was named by Mortensen (1928). It is extant. Its type is Histocidaris. It is the type unranked clade of Histocidaridea.
It was reranked as the subfamily Histocidarinae by Fell (1966) and Grawe-Baumeister et al. (2000); it was reranked as the family Histocidaridae by Smith (2009) and Kroh and Smith (2010).
It was assigned to Stereocidarinae by Mortensen (1928); to Cidaridae by Fell (1966); to Rhabdocidaridae by Grawe-Baumeister et al. (2000); to Cidaroida by Smith (2009); and to Histocidaridea by Kroh and Smith (2010).
It was reranked as the subfamily Histocidarinae by Fell (1966) and Grawe-Baumeister et al. (2000); it was reranked as the family Histocidaridae by Smith (2009) and Kroh and Smith (2010).
It was assigned to Stereocidarinae by Mortensen (1928); to Cidaridae by Fell (1966); to Rhabdocidaridae by Grawe-Baumeister et al. (2000); to Cidaroida by Smith (2009); and to Histocidaridea by Kroh and Smith (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Histocidarina Mortensen p. 69 |
| 1966 | Histocidarinae Fell p. U321 |
| 2000 | Histocidarinae Grawe-Baumeister et al. p. 6 |
| 2009 | Histocidaridae Smith |
| 2010 | Histocidaridae Kroh and Smith p. 169 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | France (Poitou-Charentes) | Poriocidaris cenomanensis (73862 73863) |