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Phylloceras contrarium
Taxonomy
Phylloceras contrarium was named by Imlay and Jones (1970). Its type specimen is USNM 158804 and is a 3D body fossil. Its type locality is USGS Mesozoic loc. 29493, small tributary of Heifer Camp Creek, which is in a Tithonian marine horizon in California.
Sister species lacking formal opinion data
P. andangonvatoense, P. ardescicum, P. bonarelli, P. captitanei, P. chantrei, P. chilense, P. cypris, P. doderienianum, P. duodesimsulcatum, P. ernesti, P. geyeri, P. glaber, P. hommophyllum, P. hourcqi, P. isomorphum, P. iudicarense, P. mazenoti, P. morelianum, P. nilsoni, P. onoense, P. perplanum, P. pinarense, P. plicatissimum, P. salima, P. selinoides, P. subobtusum, P. subramosum, P. triasicum, P. velledae, P. velledaeformis, P. biciolae, P. bassae, P. masiaposensum, P. sardoum, P. seretiense seretiense, P. sersitense, P. tethys, P. velledae, P. velledae, P. plicatum, P. spathi, P. guillantoni
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Phylloceras contrarium Imlay and Jones pp. B28 - B29 figs. Plate 1, figures 1-8 |
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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.
†Phylloceras contrarium Imlay and Jones 1970
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Tithonian or 145.06000 to 143.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | USA (California) | Phylloceras contrarium (type locality: 224788 224832 224859) | |
| Late/Upper Tithonian | USA (California) | Phylloceras contrarium (83599) |