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Stutchburia compressa
Taxonomy
Orthonota compressa was named by Morris (1845). It is a 3D body fossil. Its type locality is Spring Hill, Van Diemen's Land (Strzelecki coll), which is in a Roadian/Wordian marine siliciclastic in Australia.
It was recombined as Stutchburia compressa by Laseron (1910), Maxwell (1964), Clarke (1973), Waterhouse (1980), Waterhouse (1983) and Waterhouse (1987).
It was recombined as Stutchburia compressa by Laseron (1910), Maxwell (1964), Clarke (1973), Waterhouse (1980), Waterhouse (1983) and Waterhouse (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1845 | Orthonota compressa Morris p. 274 figs. Pl 13, fig 4 |
| 1847 | Orthonota compressa M'Coy p. 300 |
| 1910 | Stutchburia compressa Laseron p. 217 figs. Pl 19, fig 1 |
| 1964 | Stutchburia compressa Maxwell p. 50 figs. Pl 10, figs 11-15 |
| 1973 | Stutchburia compressa Clarke p. 59 |
| 1980 | Stutchburia compressa Waterhouse p. 116 fig. 4.2,4.5,4.6 |
| 1983 | Stutchburia compressa Waterhouse p. 250 figs. Pl 3, fig 26 |
| 1987 | Stutchburia compressa Waterhouse p. 165 figs. Pl 10, fig 19 |
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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.
†Stutchburia compressa Morris 1845
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1987 | Large elongate Stutchburia with ventral margin almost parallel to hinge, distinguished from S. costata by absence of radial costae, otherwise close in shape. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 6 | 20.1 | 4.80 | 30.0 | 27.9 | 9.90 |
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Sakmarian to the top of the Capitanian or 293.52000 to 259.51000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Australia (New South Wales) | Orthonota compressa (133748) | |
| Sakmarian | Australia (Queensland) | Stutchburia compressa (103954) | |
| Roadian | Australia (New South Wales) | Stutchburia compressa (161842) | |
| Roadian - Wordian | Australia (Tasmania) | Orthonota compressa (134050) | |
| Wordian | New Zealand (Southland) | Stutchburia compressa (41767) | |
| Capitanian | New Zealand (Southland) | Stutchburia compressa (41777 41788) | |
| Wuchiapingian | Australia (Tasmania) | Stutchburia compressa (51314 82836 86153 105431 105434 105435) | |
| Wuchiapingian | Australia (Queensland) | Stutchburia compressa (104762 104763 120336 120338 120340) |