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Pojetaia runnegari

Bivalvia - Fordillida - Fordillidae

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
Synonymy list
YearName and author
1980Pojetaia runnegari Jell pp. 235 - 237 figs. f. 1A-F
1983Pojetaia runnegari Runnegar and Bentley p. 74
1985Oryzoconcha prisca He and Pei
1985Pojetaia runnegari He and Pei p. 63
1986Buluniella borealis Jermak
1986Pojetaia elliptica Li and Zhou
1986Jellia ovata Li and Zhou p. 42 figs. pl. 2 f. 5–10
1990Pojetaia runnegari Bengtson et al. p. 257 figs. f. 165-166
2000Pojetaia ovata Hinz-Schallreuter p. 228
2000Pojetaia runnegari Hinz-Schallreuter p. 234
2001Pojetaia runnegari Parkhaev p. 201 figs. Pl. XLIX, figs. 1-13, Pl. L, figs. 1-9
2004Pojetaia runnegari Parkhaev figs. pl. 2 f. 15-18
2004Pojetaia runnegari Skovsted p. 32 figs. f. 8K-Q
2007Pojetaia runnegari Skovsted and Peel p. 737 figs. 4K-L
2009Pojetaia runnegari Elicki and Gürsu pp. 281 - 283 figs. Plate 1, A–O
2019Pojetaia runnegari Claybourn et al. p. 443 fig. 3
2021Pojetaia runnegari Peel p. 32 fig. 9.14–9.18
2023Pojetaia runnegari Wagner p. 5484

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classBivalvia
EuprotobranchiaNevesskaja 2009
orderFordillida()
superfamilyFordilloideaPojeta 1975
familyFordillidae
genusPojetaia
speciesrunnegari

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
ReferenceDiagnosis
O. Elicki and S. Gürsu 2009Tiny 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).