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Palasterina
Taxonomy
Palasterina was named by McCoy (1851) [Sepkoski's age data: S Ldov D l]. Its type is Uraster primaevus. It is the type genus of Palasterinidae. It was considered monophyletic by Dean Shackleton (2005).
It was assigned to Eoactinidae by Spencer (1922); to Hemizonida by Sepkoski (2002); and to Palasterinidae by Gregory (1899), Schuchert (1915), Withers and Keble (1934), Lehmann (1957), Owen (1965), Spencer and Wright (1966), Dean Shackleton (2005), Herringshaw et al. (2007), Blake (2018).
It was assigned to Eoactinidae by Spencer (1922); to Hemizonida by Sepkoski (2002); and to Palasterinidae by Gregory (1899), Schuchert (1915), Withers and Keble (1934), Lehmann (1957), Owen (1965), Spencer and Wright (1966), Dean Shackleton (2005), Herringshaw et al. (2007), Blake (2018).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Palasterina McCoy p. 59 |
| 1890 | Pseudopalasterina Stürtz pp. 229, 224 |
| 1899 | Lindstromaster Gregory pp. 344, 346 |
| 1899 | Palaeasterina Gregory p. 349 |
| 1899 | Hisingeraster Stürtz pp. 224, 225 |
| 1915 | Lindstromaster Schuchert pp. 148-149 |
| 1915 | Palasterina Schuchert pp. 150-153 |
| 1915 | Pseudopalasterina Schuchert p. 156 |
| 1922 | Palasterina Spencer pp. 219-223 |
| 1934 | Palasterina Withers and Keble p. 230 |
| 1957 | Palasterina Lehmann p. 100 |
| 1965 | Palasterina Owen p. 562 |
| 1966 | Palasterina Spencer and Wright p. U45 |
| 2002 | Palasterina Sepkoski |
| 2005 | Palasterina Dean Shackleton p. 71 |
| 2007 | Palasterina Herringshaw et al. p. 1225 |
| 2018 | Palasterina Blake p. 26 |
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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.
G. †Palasterina McCoy 1851
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†Palasterina antiqua Hisinger 1837
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Invalid names: Palasterina bonneyi Gregory 1899 [synonym], Palasterina primaeva Forbes 1848 [synonym]
†Palasterina flemingtonensis Withers and Keble 1934
†Palasterina follmanni Stürtz 1890
†Palasterina marginata Lehmann 1957
†Palasterina maucheri Lehmann 1957
†Palasterina orchilocalia Herringshaw et al. 2007
†Palasterina stachi Withers and Keble 1934
†Palasterina taenibrachiata Lehmann 1957
†Palasterina tilmanni Lehmann 1957
†Palasterina umbonata Withers and Keble 1934
Invalid names: Hisingeraster Stürtz 1899 [synonym], Lindstromaster Gregory 1899 [synonym], Pseudopalasterina Stürtz 1890 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Dean Shackleton 2005 | Inferomarginals with virgal-like facets; superomarginal ossicles present; aboral plates forming regular radial rows; carinal aboral plates; multiple tubercles on aboral plates; enlarged primary radials; enlarged primary interradials; intercalated ossicles occurring between inferomarginals and superomarginals. |
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 Katian to the top of the Early/Lower Emsian or 452.80000 to 399.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | Canada (Quebec) | Palaeasterina rugosus (182446) | |
| Katian | Canada (Ontario) | Palaeasterina stellata, Palaeasterina rigidus, Palaeasterina pulchellus (180117) | |
| Telychian | United Kingdom | P. antiqua (99373) | |
| Wenlock | United Kingdom (England) | P. orchilocalia (79893) | |
| Homerian | United Kingdom | P. antiqua (99380) | |
| Ludlow | United Kingdom | P. primaeva (99394) | |
| Leintwardine | United Kingdom | P. antiqua (95143) | |
| Early/Lower Emsian | Germany | P. follmanni, P. tilmanni, P. maucheri, P. marginata, P. taenibrachiata (26904) |