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Zorocallida
Taxonomy
Zorocallida was named by Downey (1970). It is extant. It was considered monophyletic by Fau and Villier (2023).
It was reranked as the suborder Zorocallina by Eagle (2006), Ewin and Gale (2020) and Gale and Jagt (2021).
It was assigned to Asteroidea by Downey (1970); to Forcipulatida by Eagle (2006), Ewin and Gale (2020) and Gale and Jagt (2021); and to Forcipulatacea by Fau and Villier (2023).
It was reranked as the suborder Zorocallina by Eagle (2006), Ewin and Gale (2020) and Gale and Jagt (2021).
It was assigned to Asteroidea by Downey (1970); to Forcipulatida by Eagle (2006), Ewin and Gale (2020) and Gale and Jagt (2021); and to Forcipulatacea by Fau and Villier (2023).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1970 | Zorocallida Downey |
2006 | Zorocallina Eagle p. 83 |
2020 | Zorocallina Ewin and Gale p. 942 |
2021 | Zorocallina Gale and Jagt p. 182 |
2023 | Zorocallida Fau and Villier p. 4 |
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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. Zorocallida Downey 1970
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Fm. †Terminasteridae Gale 2011
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G. †Alkaidia Blake and Reid 1998
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†Alkaidia megaungula Ewin and Gale 2020
†Alkaidia sumralli Blake and Reid 1998
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Aberhan et al. 2004, Aberhan 1992 |
Age range: base of the Sinemurian to the top of the Early/Lower Cenomanian or 199.30000 to 93.50000 Ma
Collections (14 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Liasicus | Belgium (Luxembourg) | Terminaster sp. (40087) | |
Sinemurian | Luxembourg | Terminaster spinulosus, Terminaster sp. (32014) | |
Callovian | Germany (Brandenburg) | Terminaster cancriformis (32016) | |
Early/Lower Callovian | France | Terminaster cancriformis (58221) | |
Late/Upper Oxfordian | France | Terminaster cancriformis (61724) | |
Late/Upper Oxfordian | Switzerland | Terminaster cancriformis (58317) | |
Late/Upper Hauterivian | Switzerland (Neuchatel) | Protothyraster priscus (31986) | |
Late/Upper Albian | USA (Texas) | Alkaidia sumralli (59875 59876 59878 59880) | |
Early/Lower Cenomanian | USA (Texas) | Alkaidia sumralli (59881 59882 59883) |