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Pachydiscus (Pachydiscus) australis
Taxonomy
Pachydiscus (Pachydiscus) australis was named by Henderson and McNamara (1985). Its type specimen is WAM 80.1004, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1985 | Pachydiscus (Pachydiscus) australis Henderson and McNamara p. 76 figs. Pl 8, figs 1,2,7-10; text-figs 12a,13b,14,15a |
2001 | Pachydiscus (Pachydiscus) australis Klinger et al. p. 281 figs. Pl 4, figs 1-11; pl 5, figs 1-5; pl 6, figs 1-3;pl 7, figs 1-3; text-fig 2 |
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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.
†Pachydiscus (Pachydiscus) australis Henderson and McNamara 1985
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 5 | 46.9 | 28.9 | 72.0 | 45.2 | 18.3 | |
shell diameter | 5 | 103.9 | 62.0 | 151.0 | 104.6 | 38.9 | |
shell inflation | 5 | 27.9 | 16.0 | 41.9 | 29.9 | 9.80 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (23 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Maastrichtian | Australia (Western Australia) | Pachydiscus australis (83845 83850 83851 83852 83853 83854 83855 83857 83860 83862 83863 157777 157778 157781 157784 157785 157786 157787 157788 157789 157790 157792) | |
Late/Upper Maastrichtian | South Africa | Pachydiscus australis (166277) |