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Xenasteridae
Taxonomy
Xenasteridae was named by Gregory (1899). Its type is Xenaster.
It was assigned to Promopalaeasteracea by Schuchert (1915); to Asteroidea by Spencer (1916); to Pustulosa by Owen (1965); to Palaeasteraceae by Spencer and Wright (1966); to Pustulosida by Blake (1989); and to Hadrosida by Blake (2018).
It was assigned to Promopalaeasteracea by Schuchert (1915); to Asteroidea by Spencer (1916); to Pustulosa by Owen (1965); to Palaeasteraceae by Spencer and Wright (1966); to Pustulosida by Blake (1989); and to Hadrosida by Blake (2018).
Subtaxa
Agalmaster, Devonaster, Eifelaster, Palaenectria, Palaeostella, Rhenaster, Trimeraster, Xenaster (type genus)
Synonymy list
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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. †Xenasteridae Gregory 1899
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G. †Agalmaster Schöndorf 1909
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†Agalmaster grandis Schöndorf 1909
†Agalmaster intermedius Schöndorf 1909
†Agalmaster miellensis Schöndorf 1909
G. †Devonaster Schuchert 1914
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†Devonaster chemungensis Schuchert 1915
†Devonaster eucharis Hall 1868
†Devonaster southworthi Kesling and Wright 1965
†Devonaster triradiatus Kesling and Wright 1965
G. †Xenaster Simonovitsch 1871
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†Xenaster dispar Schöndorf 1909
†Xenaster elegans Schöndorf 1909
†Xenaster margaritatus Simonovitsch 1871
†Xenaster rhenanus Müller 1855
Diagnosis
No diagnoses are available