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Grenfellia
Taxonomy
Grenfellia was named by Johanson and Ritchie (2000). It is not extant.
It was assigned to Rhipidistia by Johanson and Ritchie (2000).
It was assigned to Rhipidistia by Johanson and Ritchie (2000).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Grenfellia Johanson and Ritchie |
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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. †Grenfellia Johanson and Ritchie 2000
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†Grenfellia meemannae Johanson and Ritchie 2000
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Z. Johanson and A. Ritchie 2000 | A rhipidistian sarcopterygian based on presence of a tripodal scapulocoracoid walled laterally by the cleithrum (rather than an extension of the scapulocoracoid); differs from all other rhipidistian and sarcopterygian taxa in possessing a coarse dermal ornament of medium-sized tubercles, the base of each surrounded by radiating foramina |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||