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Baibiancarpus
Taxonomy
Baibiancarpus was named by Gandolfo et al. (2009) [The fossil fruits are preserved as compressions/
impressions]. It is not extant. Its type is Baibiancarpus chubutensis.
It was assigned to Potamogetonaceae by Gandolfo et al. (2009).
It was assigned to Potamogetonaceae by Gandolfo et al. (2009).
Species
B. chubutensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Baibiancarpus Gandolfo et al. |
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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.
G. †Baibiancarpus Gandolfo et al. 2009
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†Baibiancarpus chubutensis Gandolfo et al. 2009
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Gandolfo et al. 2009 | Endocarps obovoid to oval, one seeded, bisymmetrical and granulate; basal stalk centrally or slightly displaced toward the dorsal side; apical beak on the ventral side; stalk and beak always opposite one another; ventral side slightly convex to sigmoid, dorsal side uniformly convex; distinctive internal process subapical near the ventral side, arising no more than one-third the length of the endocarp away from the apex. Seed lobed and curved around the internal process, basal (lower) lobe two and a half to four times larger than the apical (upper) lobe. Germination valve occupying the entire dorsal margin, lid keeled. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||