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Spirifer gregeri
Taxonomy
Spirifer gregeri was named by Weller (1914).
Sister species lacking formal opinion data
S. acutosinu, S. allatus, S. arkansanus, S. audaculus, S. bifurcatus, S. casteri, S. clathratus, S. convolutus, S. coplowensis, S. crassus, S. crispatus, S. datsanensis, S. duplicicostus, S. floydensis, S. forbesi, S. furcatus, S. gancaohuensis, S. grandicostatus, S. greenockensis, S. keokuk, S. kingi, S. konincki, S. louisianensis, S. macrothyris, S. marcyi, S. marionensis, S. matheri, S. mosquensis, S. mundulus, S. occidus, S. opinius, S. osbonei, S. osbornei, S. pellensis, S. planicostus, S. platynotus, S. raymondi, S. rowleyi, S. S. centronatus Winchell, S. S. grimesi Hall, S. shepardi, S. shephardi, S. stratiformis, S. striatiformis, S. sulcatus, S. thetides, S. vanuxemi, S. vernonensis, S. veronensis, S. vespertilio, S. washingtonensis, S. welleri, S. winchelli, S. fusiformis, S. gortanii, S. subspeciosus
Synonymy list
Year | Name and author |
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1914 | Spirifer gregeri Weller |
1967 | Spirifer gregeri Carter p. 383 figs. Pl 41, fig 13 |
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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.
†Spirifer gregeri Weller 1914
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 |
Age range: Kinderhookian or 358.90000 to 352.00000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Kinderhookian | USA (Texas) | Spirifer gregeri (62492 62494) | |
Tournaisian | USA (Iowa) | Spirifer gregeri (3339) |