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Mesophyllum
Taxonomy
Mesophyllum was named by Schlüter (1889) [Sepkoski's age data: D Emsi-l D Give-u Sepkoski's reference number: 422]. It is not extant.
It was assigned to Digonophyllinae by Hill (1956), Merriam (1974); to Digonophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Digonophyllinae by Hill (1956), Merriam (1974); to Digonophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
Species lacking formal opinion data
M. atascaderum, M. barkoukyi, M. cristatum, M. curum, M. cylindricum, M. dachsbergi, M. daviesi, M. duplicatum, M. emsti, M. engelhartii, M. fongi, M. frankei, M. funafutiense, M. funafuttiense, M. gignouxi, M. grande, M. guamense, M. heteroclitum, M. heteroctidium, M. ichenoides, M. inaspectum, M. indicum, M. ishigakiensis, M. laffitei, M. lemoineae, M. lissingenense, M. lissingenense, M. macroblastum, M. macrocystis, M. macrocystis, M. macrocystis, M. maximum, M. maximum, M. maximum, M. maximum, M. mazzapiedense, M. meghalayensis, M. mesomorphum, M. monielloense, M. originale, M. originale, M. peruvianum, M. pfenderea, M. prepulchrum, M. prolifer, M. pseudoorthoceras, M. pseudoseptatum, M. pueranum, M. purpurascens, M. ramosum, M. roverti, M. rynkyuensis, M. ryukyuensis, M. sancti, M. savornini, M. savorninii, M. schenki, M. secundum, M. secundum, M. secundum, M. secundum, M. secundum, M. secundum, M. secundum, M. secundum, M. stillei, M. suganum, M. tropicale, M. varians, M. vaughanii, M. vesiculosum, M. vesiculosum, M. vesiculosum, Plasmophyllum sandhillense
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.
G. †Mesophyllum Schlüter 1889
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Subg. †Mesophyllum (Arcophyllum) Markov 1926
Subg. †Mesophyllum (Atelophyllum) Wedekind 1925
Subg. †Mesophyllum (Dialytophyllum) Amanshauser 1925
Subg. †Mesophyllum (Hemicosmophyllum) Wedekind and Vollbrecht 1931
Subg. †Mesophyllum (Mesophyllum) Hill 1956
Subg. †Mesophyllum (Zonodigonophyllum) Vollbrecht 1926
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1974 | These Digonophyllinae have nonuni- formly discontinuous septa which become obsolete peripherally in a wide band of irregularly lonsdaleioid dissepiments, with or without localized groups of strip carinae. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Pragian to the top of the Late/Upper Givetian or 413.02000 to 382.31000 Ma
Collections (39 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Vietnam | Dialytophyllum annulatum (83248) | |
| Early/Lower Emsian | Russian Federation (Arkhangel'skaya Oblast') | Arcophyllum septatum (40703) | |
| Emsian | Canada (Nunavut) | Dialytophyllum sp. (26614) Digonophyllum sp., Dialytophyllum complicatum (26596) | |
| Emsian | Spain (Asturias) | M. originale (25292) | |
| Emsian - Eifelian | Spain (Asturias) | M. monielloense (5913) | |
| Late/Upper Emsian | Germany | M. sp. (60129) | |
| Eifelian | USA (Alaska) | Arcophyllum sp. (36588) | |
| Eifelian | United Kingdom (England) | M. pseudoorthoceras, M. cylindricum, M. maximum, M. lissingenense (81012) | |
| Eifelian | Germany | M. maximum (25364) | |
| Eifelian | China (Guangxi) | Atelophyllum sp. (4026) | |
| Middle Devonian | USA (Alaska) | M. sp. a, M. dachsbergi (108329) | |
| Early/Lower Givetian | Czechia (Moravia) | Atelophyllum elongatum (5767) | |
| Early/Lower Givetian | Canada (Northwest Territories) | Atelophyllum sp. (34871) | |
| Early/Lower Givetian | Germany (Nordrhein-Westfalen) | M. emsti, M. frankei, M. stillei (235157) | |
| Early/Lower Givetian | Germany | M. maximum (60164 144265) M. sp. (60153) M. sp., M. maximum (60159) M. vesiculosum (25369 197084 227413) | |
| Givetian | United Kingdom (England) | M. sp. (81020) | |
| Givetian | Germany (Nordrhein-Westfalen,) | M. sp. (77048) | |
| Givetian | Canada (Northwest Territories) | Atelophyllum sp. (626) M. sp. (81856) | |
| Givetian | Germany (Nordrhein-Westfalen) | M. secundum (77872) | |
| Givetian | Austria (Steiermark) | M. sp. (76657) | |
| Givetian | France | M. cristatum (38681) | |
| Givetian | Russian Federation (Kemerovskaya Oblast) | Dialytophyllum annulatum (84386) Dialytophyllum yavorskii, Dialytophyllum crassiseptatum, Dialytophyllum tenuiseptatum (84384) Dialytophyllum yavorskii, Dialytophyllum tenuiseptatum, Dialytophyllum clausum (84385) | |
| Givetian | Spain (Asturias) | M. maximum (25433 80292 80293) | |
| Givetian | Russian Federation (Arkhangel'skaya Oblast') | Arcophyllum yakovlevi, Arcophyllum cristatum (40711) | |
| Givetian | Spain (Castilla-León) | M. lissingenense (80635) | |
| Late/Upper Givetian | Western Sahara | M. sp. (81292) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | M. maximum (26849) |