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Parallelodon (Nanonavis) bremneri
Taxonomy
Parallelodon (Nanonavis) bremneri was named by Anderson (1958). It is a 3D body fossil. Its type locality is CAS loc. 1658, Santa Ynez Mountains, which is in a Maastrichtian marine horizon in California.
Sister species lacking formal opinion data
Grammatodon manuiensis, Grammatodon minum, Grammatodon sachalinensis, Grammatodon sachalinensis, Grammatodon securis, Grammatodon yokoyamai, Nanonavis awajianus, Nanonavis brevis, Nanonavis carinata, Nanonavis elongatus, Nanonavis parallelus, Nanonavis pseudocarinata, Nanonavis pseudocarinata, Nanonavis rustica, Nanonavis sachalinensis, Nanonavis sakodryensis, Nanonavis subdiscors, Nanonavis turgida, Nanonavis yokoyamai, P. azzarolae, P. azzouzi, P. baconicum, P. beyerchi, P. beyrichi, P. bistriatus, P. breweriana, P. buchmani, P. buckmani, P. bynei, P. caprinus, P. carbonarius, P. cingulatus, P. cingulatus, P. concinnum, P. corrugatus, P. cumshewaensis, P. curioni, P. curionii, P. currioni, P. cypriniformis, P. esiensis, P. esinense, P. esinensis, P. eudesi, P. formosissima, P. formosissimum, P. formosissimus, P. fossa, P. fraiponti, P. guangxiensis, P. hettangensis, P. hettangiense, P. hexacostata, P. illinoisensis, P. imagnesis, P. imbricarium, P. impressum, P. infraliassicus, P. infrequens, P. insignis, P. irvinensis, P. kingi, P. koikensis, P. louisianensis, P. lutugini, P. luxdorfensis, P. meridionalis, P. mimina, P. obtusus, P. ornatissimus, P. pindiroensis, P. productum, P. pullus, P. pumilus, P. quichaurensis, P. rugosum, P. semicostatus, P. simillimus, P. simplex, P. squamifer, P. squamosus, P. striatus, P. sulcosus, P. tenuistriata, P. theciformis, P. truncatus, P. verneuilianus, P. verneuilianus, P. vokesi, P. walciodorensis, P. inflatus, P. infraliassicus, P. kesennumensis, P. koikensis, P. nipponicus, P. niranohamensis, P. esinense, P. subnavicellus, P. kobayashii
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Parallelodon (Nanonavis) bremneri Anderson p. 95 figs. Plate 61, figure 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.
†Parallelodon (Nanonavis) bremneri Anderson 1958
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. M. Anderson 1958 | Shell small, ovate in outline, or somewhat pear-shaped; umbonal area rounded, a little inflated; base nearly straight, curving roundly upward at anterior end, more rapidly at posterior terminus ; umbonal ridge sloping uniformly downward to the rear ; posterior slope long, descending obliquely behind; beaks situated about 15 mm from anterior end of shell, or about a third of its length ; anterior slope rapid, excavated beneath beaks ; dorsal border ridgelike; hinge marked by long parallel teeth, 3 or more in number on posterior end of shell ; fewer in front. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | USA (California) | Parallelodon bremneri (type locality: 215344) |