Back
Trochiliscus devonicus
Trochiliscus devonicus R.E. Peck J. Paleontol., 8(2): 108. Jun 1934
- Name
- Trochiliscus devonicus
- Rank
- Species
- Generic Name
- [Genus] Trochiliscus
- Authors (Pub.)
- Peck R. E.
- Publication
- The North American Trochiliscids, Paleozoic Charophyta [1934/6]
- Journal
- Journal of Paleontology
- Volume
- 8
- Issue
- 2
- Page number
- 108
- Year
- 1934
- Parent Taxon
- [Genus] Trochiliscus
- Fossil Status
- gyrogonites
- Stratigraphy
- Upper Devonian
- Location
- Jeffersonville limestone (Onondaga), Falls of the Ohio, Louisville, Kentucky & Snyder Creek shale, Snyder Creek, Callaway County, Missouri, USA
- Paleoregion
- Laurussia (Laurentia)
Data for Syntypus
- Repository
- National Museum of Natural History, Smithsonian Institution, Washington, USA
- Repository Number
- 39151
- Diagnosis
- Oogonium noncoronulate, spherical, of medium size, ranging from 0.6 mm to 0.8 mm in height, slightly wider than high, greatest transverse diameter near mid-height. Base and summit shallowly truncate. Ridges intercellular, nine, completing about a half turn around the oogonium, recurving toward the summit to an almost vertical position, equatorial angle about 30°. The ridges are extremely sharp and narrow, and are separated by wide, shallow cellular furrows. Summit orifice surrounded by low ridge connecting apical ends of the spirals. Oospore membrane thick and usually slightly contracted.
Nomenclatural synonyms
Species
