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Thuringothyris mahlendorffae
Taxonomy
Thuringothyris mahlendorffae was named by Boy and Martens (1991). Its type specimen is MNG 7729, a partial skeleton (skull and postcrania), and it is a 3D body fossil. Its type locality is Bromacker Quarry (upper level of Tambach sandstone), which is in an Artinskian fluvial-lacustrine sandstone in the Tambach Formation of Germany. It is the type species of Thuringothyris.
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Thuringothyris mahlendorffae Boy and Martens p. 365 figs. 1-4 |
| 2005 | Thuringothyris mahlendorffae Martens et al. |
| 2006 | Thuringothyris mahlendorffae Müller et al. p. 726 figs. 1-11 |
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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.
†Thuringothyris mahlendorffae Boy and Martens 1991
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. Boy and T. Martens 1991 | Postorbitales Schädeldach abgeflacht. Schädeldach-Hinterrand deutlich bikonvex; Postparietale und Tabulare vorhanden. Quadratojugale sehr niedrig. Praefrontale möglicherweise weit nach vorne ausgedehnt. Lacrimale verhältnismäßig hoch; äußere Naris ungewöhnlich groß. Praemaxillare nicht abgeknickt. Mediale Praemaxillar-Zähne nicht vergrößert. Maxillar-Caninen größenmäßig nicht deutlich abgesetzt. - Ectopterygoid groß; Palatinum vergleichsweise kurz. Dentikelfeld auf dem Transversalflansch des Pterygoid. Parasphenoid glatt und hinten sehr kurz. Basioccipitale ungewöhnlich lang. Opisthoticum wahrscheinlich nicht komplett verknöchert. Stapes mit kurzem Schaft, relativ kleinem Stapedialforamen, kurzem dorsalem Kopf und ventral deutlich verbreitertem Ventralkopf (Fußplatte). Retroarticular-Fortsatz des Unterkiefers fehlt. - Pleurozentren gekielt. Vordere Neuralbögen schwach geschwollen. Clavicula ohne daumenförmigen Fortsatz. Humerus und Femur sowie Hand und Fuß verhältnismäßig gedrungen. Deutlich verkleinerter Supinator-Fortsatz des Humerus. Astragalus und Calcaneum ungewöhnlich schmal; Calcaneum von annähernd hochrechteckiger Form. Distales Tarsale 4
stark vergrößert. [Postorbital skull roof flattened. Posterior margin of skull roof clearly biconvex; postparietal and tabular present. Quadratojugal very low. Prefrontal possibly extended far anteriorly. Lacrimal relatively high; external naris unusually large. Premaxilla not hooked. Medial premaxillary teeth not enlarged. Maxillary canines not clearly differentiated. – Ectopterygoid large, palatine comparatively short. Denticle field on transverse flange of pterygoid. Parasphenoid smooth and posteriorly very short. Basioccipital unusually long. Opisthotic probably not entirely ossified. Stapes with short shaft, relatively small stapedial foramen, short dorsal head and ventrally clearly expanded ventral head (footplate). Retroarticular process of lower jaw missing. – Pleurocentra keeled. Anterior neural arches slightly swollen. Clavicle without thumb-like process. Humerus and femur as well as hand and foot relatively stout. Supinator process of humerus clearly reduced in size. Astragalus and calcaneus unusually narrow; calcaneus approximately upright rectangular in shape. Distal tarsal 4 strongly enlarged.] |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Artinskian or 290.10000 to 279.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Germany (Thuringia) | Thuringothyris mahlendorffae (type locality: 80112) |