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Baabdasaurus xenurus
Taxonomy
Baabdasaurus xenurus was named by Arnold et al. (2002). Its type specimen is MHNH Entomology, Azar 497, a partial skeleton, and it is an inclusion in amber. Its type locality is Lebanese amber, Mdeyrij-Hammana (LU collection), which is in a Barremian terrestrial amber in Lebanon. It is the type species of Baabdasaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Baabdasaurus xenurus Arnold et al. p. 7 |
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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.
†Baabdasaurus xenurus Arnold et al. 2002
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. N. Arnold et al. 2002 | A small lizard with several external features that are widespread in autarchoglossans but rare or absent in iguanians and gekkotans, including: tail scales enlarged, in dorsal transverse rows that are alternately slightly longer and slightly shorter, a row of very large scales beneath crus, a single row of large scales along dorsum of each digit, and large scales on mesial surface of metatarsal region; scales on soles of feet and beneath digits tubercular; digits mesiolaterally compressed dis- tally with two ungual lamellae and strongly recurved claws. Differs from known autarchoglossans in exhibiting fewer transverse scale rows on dorsum of tail than on its ventral surface, the dorsal rows being replaced alternately by one and then two rows below the tail. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: Early/Lower Barremian or 130.00000 to 125.45000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Barremian | Lebanon | Baabdasaurus xenurus (type locality: 122471) |