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Kachaikenia compuesta

Magnoliopsida

Taxonomy
Kachaikenia compuesta was named by Cunéo and Gandolfo (2005). It is an impression. Its type locality is Arroyo Caballo Muerto-Creek, which is in an Aptian/Albian delta plain sandstone/shale in the Kachaike Formation of Argentina. It is the type species of Kachaikenia.

Synonymy list
YearName and author
2005Kachaikenia compuesta Cunéo and Gandolfo

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classMagnoliopsidaCronquist et al. 1996
RankNameAuthor
genusKachaikenia
speciescompuesta

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.

Kachaikenia compuesta Cunéo and Gandolfo 2005
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Diagnosis
ReferenceDiagnosis
R. Cunéo and M. A. Gandolfo 2005Leaves pinnately compound, 6 cm long and 4 cm wide. Leaflets in alternate pairs (4 or 5), microphyllous, ovate in shape when fully developed, with asymmetrical bases; up to 5 cm long and 0.9 cm wide. Base acute, concave–convex, apex acute to obtuse. Margin entire and unlobed in basal leaflets to pinnately lobed in apical leaflets. First vein category pinnate. Second vein category craspedodromous; veins emerging at an acute angle, with straight course, reaching or not the marginal vein. Secondary veins spaced irregularly, with increasing space towards the base. Intersecondary veins weak. Third vein category (highest) random reticulate, exmedially ramified; angle to primaries acute to obtuse (inconsistent). Areoles well-developed, 3 to 5 or more sided. Ultimate marginal venation clearly fimbrial.
Measurements
No measurements are available
No ecological data are available

Age range: base of the Aptian to the top of the Albian or 125.00000 to 100.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian - Albian125.0 - 100.5Argentina (Santa Cruz) Kachaikenia compuesta (type locality: 150180)