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Hudsonaster
Taxonomy
Hudsonaster was named by Stürtz (1899) [Sepkoski's age data: O Cara-l O Ashg-m Sepkoski's reference number: 248]. Its type is Palasterina rugosa. It is the type genus of Hudsonasteridae.
It was assigned to Hudsonasterinae by Spencer and Wright (1966); to Pustulosida by Sepkoski (2002); and to Hudsonasteridae by Schuchert (1915), Withers and Keble (1934), Webster et al. (1999), Dean Shackleton (2005), Herringshaw et al. (2007) and Blake (2018).
It was assigned to Hudsonasterinae by Spencer and Wright (1966); to Pustulosida by Sepkoski (2002); and to Hudsonasteridae by Schuchert (1915), Withers and Keble (1934), Webster et al. (1999), Dean Shackleton (2005), Herringshaw et al. (2007) and Blake (2018).
Synonyms
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Synonymy list
Year | Name and author |
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1899 | Hudsonaster Stürtz pp. 224-225 |
1912 | Protopalaeaster Hudson p. 21 |
1915 | Hudsonaster Schuchert pp. 53-57 figs. pl. 1-6 |
1916 | Belaster Spencer p. 73 |
1934 | Hudsonaster Withers and Keble p. 222 |
1962 | Protopalaeaster Kesling p. 936 |
1965 | Protopalaeaster Owen p. 567 |
1966 | Hudsonaster Spencer and Wright p. U50 |
1966 | Protopalaeaster Spencer and Wright p. U50 |
1999 | Hudsonaster Webster et al. p. 476 |
2002 | Hudsonaster Sepkoski |
2002 | Protopalaeaster Sepkoski |
2005 | Hudsonaster Dean Shackleton p. 101 |
2007 | Hudsonaster Herringshaw et al. p. 1215 |
2018 | Hudsonaster Blake p. 38 |
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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. †Hudsonaster Stürtz 1899
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†Hudsonaster australis Withers and Keble 1934
†Hudsonaster carectum Herringshaw et al. 2007
†Hudsonaster incomptus Meek 1872
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Invalid names: Palaeaster clarkei Miller 1878 [synonym], Palaeaster simplex Miller and Dyer 1878 [synonym]
†Hudsonaster milleri Schuchert 1915
†Hudsonaster narrawayi Hudson 1912
†Hudsonaster ordovicus Spencer 1916
†Hudsonaster rugosus Billings 1857
Invalid names: Belaster Spencer 1916 [synonym], Protopalaeaster Hudson 1912 [synonym]
Diagnosis
Reference | Diagnosis | |
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J. Dean Shackleton 2005 | Primary radials overlap primary interradials; mouth angle plate rectangular when viewed orally. |