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Tubercuoolithus tetonensis
Taxonomy
Tubercuoolithus tetonensis was named by Jackson and Varricchio (2010). It is considered to be a form taxon. Its type specimen is ES 145, an egg, and it is a 3D body fossil. Its type locality is First Find Microsite (OTM 99-19), which is in a Campanian terrestrial horizon in the Two Medicine Formation of Montana.
Synonymy list
Year | Name and author |
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2010 | Tubercuoolithus tetonensis Jackson and Varricchio pp. 1150-1151 fig. 9 |
2014 | Tubercuoolithus tetonensis Sellés et al. p. 49 |
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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.
†Tubercuoolithus tetonensis Jackson and Varricchio 2010
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Diagnosis
Reference | Diagnosis | |
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F. D. Jackson and D. J. Varricchio 2010 | (as Combination of Characters)—Tubercuoolithus is diagnosed by the following unique combination of features. Eggshell thickness from 831 μm to 1186 μm, including the broad, domed tubercles; straight contact and abrupt transition between mammillary and cryptoprismatic layers; mammillary/cryptoprismatic layer thickness ratio of about 1:3; angusticanaliculate pores; ramotuberculate-anastomotuberculate ornamentation. Polarities of these character states are unknown because most characters also occur in some combination of avian and non-avian theropod eggs, both within and outside of egg parataxonomy. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Marsh 1875 |
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Campanian | USA (Montana) | Tubercuoolithus tetonensis (type locality: 94368 102181) |