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Frencrinuroides
Taxonomy
Frencrinuroides was named by Lespérance and Desbiens (1995) [Sepkoski's age data: O Cara-l]. Its type is Encrinuroides capitonis.
It was assigned to Encrinuridae by Jell and Adrain (2002); to Phacopida by Sepkoski (2002); and to Encrinurinae by Lespérance and Desbiens (1995) and Moss and Westrop (2014).
It was assigned to Encrinuridae by Jell and Adrain (2002); to Phacopida by Sepkoski (2002); and to Encrinurinae by Lespérance and Desbiens (1995) and Moss and Westrop (2014).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Frencrinuroides Lespérance and Desbiens |
| 2002 | Frencrinuroides Jell and Adrain |
| 2002 | Frenerinuroides Sepkoski |
| 2014 | Frencrinuroides Moss and Westrop p. 1107 |
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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. †Frencrinuroides Lespérance and Desbiens 1995
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†Frencrinuroides capitonis Frederickson 1964
†Frencrinuroides gibber Dean 1979
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. J. Lespérance and D. Desbiens 1995 | Encrinurines with subequal width: length glabellae and broader than long pygidia, variable tubercle size indices (6-15), significant genal spines, round middle hypostomal bodies with shallow rhynchos, 14-25 axial pygidial rings, 6-9 pleural ribs, and 1-3 congruent pleural ribs and axial rings. | |
| D. K. Moss and S. R. Westrop 2014 | Librigena with precranidial lobe barely differentiated from anterior cephalic border, and with mostly granulose sculpture; anterior furrow obsolete (Fig. 6.8) or expressed only as reduction in density of sculpture (Fig. 6.5). |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Blackriveran to the top of the Sandbian or 457.30000 to 453.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sandbian | Canada (Newfoundland) | Encrinurus gibber (192738) | |
| Blackriveran | USA (Oklahoma) | Encrinuroides capitonis (23892) |