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Valenictus chulavistensis
Taxonomy
Valenictus chulavistensis was named by Deméré (1994). Its type specimen is SDSNH 36786, a partial skull, and it is a 3D body fossil. Its type locality is Rancho Del Rey, which is in a Blancan coastal horizon in the San Diego Formation of California.
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Valenictus chulavistensis Deméré p. 78 figs. Figs. 1-7 |
| 2003 | Valenictus chulavistensis Deméré et al. p. 49 figs. Fig. 3.3 |
| 2013 | Valenictus chulavistensis Boessenecker and Churchill p. 10 fig. 8 |
| 2018 | Valenictus chulavistensis Berta p. 714 figs. Fig. 3 |
| 2018 | Valenictus chulavistensis Berta et al. p. 217 figs. Fig. 6 |
| 2018 | Valenictus chulavistensis Magallanes et al. p. 30 figs. Figure 14 |
| 2020 | Valenictus chulavistensis Biewer et al. figs. Figure 2 |
| 2024 | Valenictus chulavistensis Boessenecker et al. p. 6 |
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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.
†Valenictus chulavistensis Deméré 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. W. Boessenecker et al. 2024 | A large species of Valenictus (maximum male CBL = 393 mm; maximum female CBL = 304 mm; see Table 1) differing from Valenictus imperialensis in possessing a humerus with larger overall size, more sigmoidal posterior profile, sharply keeled supinator ridge, more robust and rec- tangular entepicondyle, and more obtuse angle between the shaft and axis of the distal trochlea in anterior/posterior view. Differing from Valenictus sheperdi sp. nov. in: (1) smaller overall size (V. sheperdi female CBL = 390 mm), (2) broader space between canines (21–24% CBL v. 15% in V. sheperdi), (3) a short and transversely blunt maxillary crest between the canine and zygomatic arch, (4) anteroposteriorly broad and swollen paroccipital process, (5) smaller and scattered foramina in palate lacking sulci, (6) continuously convex anterior margin of the nuchal crest (rectangular in V. sheperdi), and rectangular margin of the internal choanae (rounded in V. sheperdi). Also pos- sessing the following synapomorphies of Odobeninae and Odobe- nini: enlarged, continuously growing upper canines with globular dentine cores, narrow, longitudinally and transversely arched palate, mastoid processes widely flaring and forming widest part of skull, foreshortened temporal fossae and zygomatic arches bearing dorsoventrally expanded postorbital process. |
Measurements
No measurements are available
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| Source: f = family, c = class, uc = unranked clade | |||||
| References: Kohno et al. 1995, Hendy et al. 2009, Carreño and Cronin 1993 | |||||
Age range: base of the Blancan to the top of the Piacenzian or 4.90000 to 2.58800 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Zanclean - Piacenzian | USA (California) | Valenictus chulavistensis (233254) | |
| Blancan | USA (California) | Valenictus chulavistensis (type locality: 178001) |