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Hornyzyga altacostatum
Taxonomy
Loxonema altacostatum was named by Tassell (1982). It is not extant. Its type locality is Chatterton Loc. B, lower half of Receptaculites Lst, near Yass, NSW, which is in an Emsian marine lime mudstone/grainstone in the Taemas Formation of Australia.
It was recombined as Hornyzyga altacostatum by Cook (1995) and Wagner (2023).
It was recombined as Hornyzyga altacostatum by Cook (1995) and Wagner (2023).
Synonymy list
Year | Name and author |
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1982 | Loxonema altacostatum Tassell |
1992 | Loxonema altacostatum Blodgett and Johnson p. 127 |
1995 | Hornyzyga altacostatum Cook |
2023 | Hornyzyga altacostatum Wagner p. 2958 |
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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.
†Hornyzyga altacostatum Tassell 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: superf = superfamily, o = order | |||||
Reference: Bambach et al. 2007 |