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Hebertella (Glyptorthis) insculpta maquoketensis
Taxonomy
Hebertella (Glyptorthis) insculpta maquoketensis was named by Ladd (1929) [Lectotype designated by Wright & Stigall 2014.
=1932 Hebertella insculpta Bassler: pl. 24, figs 1, 2.
Lectotype designated by Wright & Stigall 2014.]. Its type specimen is SUI 66500 and is a 3D body fossil.
It was recombined as Glyptorthis insculpta maquoketensis by Howe (1966) and Howe (1988); it was recombined as Glyptorthis maquoketensis by Wright and Stigall (2014).
It was recombined as Glyptorthis insculpta maquoketensis by Howe (1966) and Howe (1988); it was recombined as Glyptorthis maquoketensis by Wright and Stigall (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Hebertella (Glyptorthis) insculpta maquoketensis Ladd p. 399 figs. pl. 4, figs 13–16, pl. 5, figs 1, 2 |
| 1966 | Glyptorthis insculpta maquoketensis Howe p. 242 figs. pl. 28, figs 10–20 |
| 1988 | Glyptorthis insculpta maquoketensis Howe p. 209 figs. 4.16–4.21, 7 |
| 2014 | Glyptorthis maquoketensis Wright and Stigall pp. 896 - 897 figs. 2F-I |
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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.
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. F. Wright and A. L. Stigall 2014 | Similar to G. insculpta but typically smaller (character 1, width 17.40–19.52 mm) and always having ventral muscle scars resting on a raised platform (see Remarks). Shell of moderate to large size for Glyptorthis; outline subquadrate; dorsal valve inflated. Sulcus deep, originating proximal to the umbo. Concentric ornamentation strongly lamellose for species of Glyptorthis. Ventral muscle scars large, width variable, with an anterior deflection. Angle between the lateral boundaries of the ventral interarea >130˚; delthyrial angle high (>55˚). |