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Groebertherium stipanicici
Taxonomy
Groebertherium stipanicici was named by Bonaparte (1986). Its type specimen is MACN-RN 13, a tooth (left upper molar), and it is a 3D body fossil. Its type locality is Los Alamitos vertebrates, middle section, which is in a Campanian/Maastrichtian lacustrine - large siltstone/sandstone in the Los Alamitos Formation of Argentina. It is the type species of Groebertherium.
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Groebertherium stipanicici Bonaparte p. 51 |
| 1990 | Groebertherium stipanicici Bonaparte p. 79 |
| 2004 | Groebertherium stipanicici Kielan-Jaworowska et al. pp. 380, 384 |
| 2009 | Groebertherium stipanicici Rougier et al. p. 228 |
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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.
†Groebertherium stipanicici Bonaparte 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. W. Rougier et al. 2009 | Measurements. MML- Pv 10 (Lm
¼ 4.05 mm; Wm ¼ 5.29 mm); MML-Pv 11 (Lm ¼ 4.05 mm; Wm ¼ 5.62 mm); MML-Pv 12 too fragmentary for meaningful measurements. Groebertherium stipanicici is a small-sized dryolestoid, with a stylocone divorced from the paracrista and a long, narrow trigon. The molars have a tall crown, they are approximately symmetrical and devoid of cingula. The parastyle forms a small hook. A centrocrista is poorly defined and, if at all present, represented by the thick lingual extension of the lingual slope of the stylocone. |