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Notobatrachus (frog)
Taxonomy
Notobatrachus was named by Reig (1956) [in Stipanicic and Reig "1955" (actually 1956)]. Its type is Notobatrachus degiustoi.
It was assigned to Ascaphidae by Carroll (1988); to Salientia by Evans and Borsuk-Bialynicka (1998); to Notobatrachinae by Sanchiz (1998); to Notobatrachidae by Gao and Wang (2001); and to Salientia by Báez and Nicoli (2008).
It was assigned to Ascaphidae by Carroll (1988); to Salientia by Evans and Borsuk-Bialynicka (1998); to Notobatrachinae by Sanchiz (1998); to Notobatrachidae by Gao and Wang (2001); and to Salientia by Báez and Nicoli (2008).
Species
N. degiustoi (type species), N. reigi
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Notobatrachus Reig p. 219 |
| 1988 | Notobatrachus Carroll |
| 1998 | Notobatrachus Evans and Borsuk-Bialynicka p. 578 |
| 1998 | Notobatrachus Sanchiz |
| 2001 | Notobatrachus Gao and Wang p. 469 |
| 2008 | Notobatrachus Báez and Nicoli p. 372–373 |
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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.
G. †Notobatrachus Reig 1956 [frog]
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†Notobatrachus degiustoi Reig 1956
†Notobatrachus reigi Báez and Nicoli 2008
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. M. Báez and L. Nicoli 2008 | Large-sized salientian that differs from all other known salientians in having a parasphenoid with a trifid cultriform process and is distinguished from Triadobatrachus also in possessing nine presacral vertebrae and a urostyle. Notobatrachus differs further from crown anurans by having an independent intermedium in the carpus, a dorsoventrally curved clavicle, and an earlike acetabular fossa of the ilium. It can be also differentiated from other salientian taxa by the following combination of characters: sculptured dermal skull bones; long maxilla with a dorsally directed pars palatina; extensive nasal articulating with frontoparietal and bearing distinct rostral process; cartilaginous septum nasi; T-shaped squamosal with free-ending, plate-like zygomatic ramus; columella; vomer bearing well-developed postchoanal process that forms a wide angle with the corpus of the bone; discrete palatine absent; paired sphenethmoid; crescent-shaped parahyoid bone; notochordal presacral vertebrae; four pairs of free ribs associated with V2–V5, occasionally also with V6; transverse processes of posterior presacral vertebrae as long as sacral diapophysis; imbricated neural arches; cartilaginous sacro-urostylar articulation; one postsacral vertebra either discrete or partially incorporated into urostyle bearing transverse processes; short scapula with medial notch; clavicle with blunt, slightly expanded medial end; sternal end of coracoid widely expanded; robust humerus with unossified humeral ball; radioulna lacking well-developed olecranon process; carpus with nine to eleven discrete elements; ilia without distinct tubercles for muscular attachment; unfused tibiale and fibulare; cartilaginous distal tarsals. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009, Uhen 2004 | |||||
Age range: base of the Late/Upper Toarcian to the top of the Bathonian or 180.10000 to 166.10000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Toarcian - Aalenian | Argentina (Chubut) | Notobatrachus reigi (211359) | |
| Middle Toarcian - Late/Upper Toarcian | Argentina (Chubut) | Notobatrachus reigi (67434) | |
| Late/Upper Toarcian - Early/Lower Bajocian | Argentina (Chubut) | Notobatrachus reigi (92115) | |
| Bathonian | Argentina (Santa Cruz) | Notobatrachus degiustoi (13348 79725 92112) |