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Tachypteron franzeni
Taxonomy
Tachypteron franzeni was named by Storch et al. (2002). Its type specimen is IRSNB BE 4-119a+b, a skeleton (complete skeleton including outline of the flight membranes), and it is a compression preserving soft parts. Its type locality is Messel, which is in a MP 11 lacustrine shale in the Messel Formation of Germany. It is the type species of Tachypteron.
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Tachypteron franzeni Storch et al. p. 191 |
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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.
†Tachypteron franzeni Storch et al. 2002
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Storch et al. 2002 | Differs from Vespertiliavus in preserving only two upper premolars and having the three lower premolars progressively increasing in size anteroposteriorly. Differs from Vespertiliavus and extant emballonurids except Emballonura in retaining two upper incisors. Differs from extant emballonurids in retaining three lower premolars and from extant Taphozous and Saccolaimus in retaining three lower incisors. Further distinctive are the upper and lower canines, bing moderataly high and labially swollen, and lacking labial cingular structures. Differs from extant emabllonurids and Vespertiliavus in lacking a postorbital process on the skull. Facial part of the skull long. Skeletal morphological features and proportions essentially as in living Taphozous; differs from Taphozous in having a longer tail and a shorter calcar. Differs postcranially from Vespertiliavus in usually having a slightly stronger styloid process on the humerus, extending distally about as high as the trochlea. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, subp = subphylum | |||||
| References: Carroll 1988, Simmons et al. 2008, Hendy et al. 2009, Nowak 1991 | |||||