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Pojetaia runnegari
Taxonomy
Pojetaia runnegari was named by Jell (1980). Its type specimen is NMV P59669, a shell, and it is a 3D body fossil. Its type locality is Horse Gully, 1.6 km south of the township of Ardrossan, which is in an Atdabanian carbonate limestone in the Parara Limestone Formation of Australia.
Synonyms
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Synonymy list
Year | Name and author |
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1980 | Pojetaia runnegari Jell pp. 235 - 237 figs. f. 1A-F |
1983 | Pojetaia runnegari Runnegar and Bentley p. 74 |
1985 | Oryzoconcha prisca He and Pei |
1985 | Pojetaia runnegari He and Pei p. 63 |
1986 | Buluniella borealis Jermak |
1986 | Pojetaia elliptica Li and Zhou |
1986 | Jellia ovata Li and Zhou p. 42 figs. pl. 2 f. 5–10 |
1990 | Pojetaia runnegari Bengtson et al. p. 257 figs. f. 165-166 |
2000 | Pojetaia ovata Hinz-Schallreuter p. 228 |
2000 | Pojetaia runnegari Hinz-Schallreuter p. 234 |
2001 | Pojetaia runnegari Parkhaev p. 201 figs. Pl. XLIX, figs. 1-13, Pl. L, figs. 1-9 |
2004 | Pojetaia runnegari Parkhaev figs. pl. 2 f. 15-18 |
2004 | Pojetaia runnegari Skovsted p. 32 figs. f. 8K-Q |
2007 | Pojetaia runnegari Skovsted and Peel p. 737 figs. 4K-L |
2009 | Pojetaia runnegari Elicki and Gürsu pp. 281 - 283 figs. Plate 1, A–O |
2019 | Pojetaia runnegari Claybourn et al. p. 443 fig. 3 |
2021 | Pojetaia runnegari Peel p. 32 fig. 9.14–9.18 |
2023 | Pojetaia runnegari Wagner p. 5484 |
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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.
†Pojetaia runnegari Jell 1980
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Invalid names: Oryzoconcha prisca He and Pei 1985 [synonym], Pojetaia borealis Jermak 1986 [synonym], Pojetaia elliptica Li and Zhou 1986 [synonym], Pojetaia ovata Li and Zhou 1986 [synonym]
Diagnosis
Reference | Diagnosis | |
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O. Elicki and S. Gürsu 2009 | Tiny bivalves (1.6–1.9 mm), equivalved, suboval in outline to slightly elongated posteriorly. Umbones are mostly, but not in every case prominent; if prominent, then very faint radial ridges may run left and right of the umbo to the ventral margin (Plate 1, G). The umbones are located more-or-less central at 44–56% of the total length to the anterior margin (anterior length; Table 2, Fig. 6). Passing of the slightly convex ventral margin to the anterior and posterior margins is gentle; transition to the dorsal margin by a distinct bend. Posteriorly, a more-or-less prominent auricle is developed (Plate 1, A–C, I, N). Dorsal margin is straight. The long ligament is lenticular, externally (parivincular), and behind the umbo (opisthodetic). The hinge has one or two relatively small teeth in each valve and corresponding sockets (Plate 1, B, D, E, I–O). Transposition of hinge teeth can be observed. Muscle scars are only rarely preserved on the steinkerns. A small and elongated anterior adductor, and in the anterior region of the mold some very faint comarginal arranged scars of pallial muscle nodes (roundly to slightly elongated towards the umbo) could very rarely be observed under light microscope. Internally (on steinkern surfaces), small irregular polygons, becoming smaller towards the valve margin, occur (Plate 1, B, E). Externally, when pseudomorphic shell preservation is present, close and faint comarginal growth lines and anterodorsal low ribs are visible (Plate 1, B, F–I). |