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Chonophyllum
Taxonomy
Chonophyllum was named by Milne-Edwards and Haime (1850) [Sepkoski's age data: S Wenl Sepkoski's reference number: 2]. It is not extant.
It was assigned to Chonophyllinae by Hill (1956); to Chonophyllidae by Merriam (1973); to Arachnophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Chonophyllinae by Hill (1956); to Chonophyllidae by Merriam (1973); to Arachnophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
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. †Chonophyllum Milne-Edwards and Haime 1850
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†Chonophyllum magnificum Billings 1860
†Chonophyllum simpsoni Merriam 1973
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1973 | Large solitary trochoid, ceratoid, and turbinate rugose corals with poorly defined wall and rough, uneven outer surface showing distally repeated edges of superposed growth cones. Septa numerous, long, somewhat thickened; some major septa reaching axis. Tabularium narrow (14-1/s mature corallite diameter); dissepimentarium wide, with nonuniform large and small dissepiments, most of which are elongate. Peripheral dissepiments nearly flat, commonly very elongate, and in part lonsdaleioid. Calice shallow with broad, commonly reflected rim and central pit. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Telychian to the top of the Late/Upper Devonian or 438.50000 to 358.90000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (California) | C. magnificum (229253 229257 229258 229259) C. sp. (230235) | |
| Alexandrian - Ontarian | Canada (Québec) | C. sp. (24596) | |
| Telychian | Canada (Quebec) | C. canadense (25250) | |
| Wenlock | India | C. sp. (36258 36260 36261) | |
| Wenlock | USA (California) | C. sp. (226663) | |
| Wenlock | USA (Iowa) | C. sp. (25044) | |
| Wenlock | Mongolia | C. sp. (79640) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | C. sp. A (188805 188807) C. sp. A. (188806) | |
| Ludlow | Canada (Northwest Territories) | C. sp. (188876) | |
| Ludlow | Mongolia | C. cumulatum (79648) | |
| Ludlow | USA (California) | C. sp. (226664) | |
| Eifelian | USA (New York) | C. magnificus (9614) | |
| Middle Devonian | USA (California) | C. sp. (214584) | |
| Middle Devonian | USA (Indiana) | C. nanum (11101) | |
| Late/Upper Devonian | USA (Alaska) | C. sp. (40665) |