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Heliscomys borealis
Taxonomy
Heliscomys borealis was named by Korth et al. (2019). Its type specimen is USNM PAL 642928, a tooth (left M1), and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Heliscomys borealis Korth et al. p. 9 figs. Figure 12H–N; Tables A11, A12 |
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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.
†Heliscomys borealis Korth et al. 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. W. Korth et al. 2019 | Larger than H. vetus, smaller than H. medius Korth, 2007a and Megaheliscomys Korth, 2007b; premolars reduced in size (P4 width 50%–64% that of M1, p4 length 60% that of m1); lingual cingulum continuous on upper molars; entostyle present on M1, but lingual cingulum not interrupted by valley; M2 with transversely compressed entostyle of variable size and no protostyle; lower molars with well- developed stylar cusps. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Carroll 1988 | |||||
Collections
No collection or age range data are available