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Tempskyaceae
Family Tempskyaceae C.B. Read, R.W. Br. ex L.C.A. Martínez, Olivo Rev. Palaeobot. Palynol., 219: 119. 16 Apr 2015
- Name
- Tempskyaceae
- Rank
- Family
- Authors (Name)
- Read C. B.
Brown R. W.
- Authors (Pub.)
- Martínez L. C. A.
Olivo M. S.
- Publication
- Tempskya in the Valanginian of South America (Mulichinco Formation,
Neuquén Basin, Argentina) — systematics, palaeoclimatology
and palaeoecology [2015/4]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 219
- Page number
- 119
- Year
- 2015
- Type
- [Genus] Tempskya
- Diagnosis
- Arborescent fernswith false trunks composed of a threedimensional
network of stems embedded in a matrix of adventitious
roots without any particular arrangement, together forming a
solid and compact trunk. Stems amphiphloic solenosteles,with a parenchymatous
and/or sclerenchymatous pith, an inner endodermis,
inner phloem, xylem, outer phloem, outer endodermis, parenchymatic
cortex and an epidermis with hairs. Petioles with a single V- or Ushaped
vascular strand. Roots adventitious, diarch, with an inner sclerenchymatous
and an outer parenchymatous cortex; some roots with
outer aerenchyma chambers. Leptosporangiate; sporangia in sori, with
an elongated stalk and a vertical annulus; spores trilete.
