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Canipa quadrifida
Canipa quadrifida J.E. Skog, H.N. Andrews, Mamay Bull. Torrey Bot. Club, 96(3): 281. 25 Jun 1969
- Name
- Canipa quadrifida
- Rank
- Species
- Generic Name
- [Genus] Canipa
- Authors (Pub.)
- Skog J. E.
Andrews H. N.
Mamay S. H.
- Publication
- Canipa quadrifida, gen. et sp. nov., a synangial fructification from the Middle Pennsylvanian of West Virginia [1969/6]
- Journal
- Bulletin of the Torrey Botanical Club
- Volume
- 96
- Issue
- 3
- Page number
- 281
- Year
- 1969
- Fossil Status
- foliage (fertile)
- Stratigraphy
- Middle Pennsylvanian
- Location
- Gauley Mountain, Ansted mines, West Virginia, USA
- Paleoregion
- Laurussia (Laurentia)
Data for Holotypus
- Repository
- National Museum of Natural History, Smithsonian Institution, Washington, USA
- Repository Number
- USNM. 43203, A-B
- Diagnosis
- Fronds tripinnate and at least 10 cm long with a main rachis 4 mm broad. Synangia as much as 2 mml ong,b ornet erminallyo n sharplyc urved stalks1 to 2 mml ong; the pinnulesm ay dichotomizea nd bear two synangia. Synangium consists of 4 sporangia arranged oppositely; each sporangium contains4 00 to 500 spores. Spores subeircular,t hinwalled,f inelyg ranulate with a well-developedt rilete mark extending two-thirdso r niore of the radius, ranging in size from 40 u to 65 u with an average of about 55 u.