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Hadrophyllidae
Taxonomy
Hadrophyllidae was named by Nicholson (1889). It is not extant.
It was assigned to Cyathaxoniicae by Hill (1956); and to Metriophyllina by Hill (1981).
It was assigned to Cyathaxoniicae by Hill (1956); and to Metriophyllina by Hill (1981).
Subtaxa
Synonymy list
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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.
Fm. †Hadrophyllidae Nicholson 1889
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G. †Crassicyclus Soto 1978
G. †Hadrophyllum Milne-Edwards and Haime 1850
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†Hadrophyllum aplatum Cummins 1891
†Hadrophyllum bifidum Bassler 1937
†Hadrophyllum delicatum Bassler 1937
†Hadrophyllum linguloideum Herzer 1901
†Hadrophyllum nauvooense Bassler 1937
†Hadrophyllum orbignyi Milne-Edwards and Haime 1851
†Hadrophyllum ovale Bassler 1937
†Hadrophyllum pauciradiatum Milne-Edwards and Haime 1851
†Hadrophyllum pedunculatum Bassler 1937
†Hadrophyllum romingeri Bassler 1937
†Hadrophyllum tennesseense Miller and Gurley 1895
†Hadrophyllum woodi Grabau 1899
G. †Microcyclus Meek and Worthen 1868
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†Microcyclus blairi Miller 1894
†Microcyclus discus Meek and Worthen 1868
†Microcyclus intermedius Bassler 1937
†Microcyclus leonensis Verneuil and Haime 1850
†Microcyclus lyrulatus Bassler 1937
†Microcyclus multiradiatus Meek 1868
†Microcyclus praecox Roemer 1844
†Microcyclus roberti Maitre 1952
†Microcyclus thedfordensis Bassler 1937
†Microcyclus tortuosus Maitre 1952
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Emsian to the top of the Carboniferous or 409.10000 to 298.90000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | China (Guangxi) | Microcyclus sp. (80472) | |
| Eifelian | Germany (Sauerland) | Microcyclus clypeatus (229469) | |
| Eifelian | Poland | Microcyclus praecox (173003) | |
| Eifelian | Canada (Northwest Territories) | Microcyclus multiradiatus (55468 84256) | |
| Eifelian | Germany | Microcyclus clypeatus (127762) | |
| Eifelian - Givetian | USA (Indiana) | Hadrophyllum orbignyi (5707) | |
| Eifelian - Givetian | Morocco | Microcyclus roberti (226635) | |
| Middle Devonian | USA (Indiana) | Hadrophyllum nettelrothi (5702) | |
| Middle Devonian | USA (New York) | Microcyclus sp. (91091) | |
| Givetian | Morocco | Microcyclus roberti (173004) Microcyclus tortuosus (74491 173005) | |
| Givetian | USA (New York) | Hadrophyllum woodi (10108) | |
| Late/Upper Givetian | Germany (Nordrhein-Westfalen) | Microcyclus clypeatus (75585 75587) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | Crassicyclus densiseptatus (26849) | |
| Carboniferous | USA (Georgia) | Hadrophyllum ovale (164684) |