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Baculatisporites kachaikensis

Polypodiopsida - Osmundaceae

Taxonomy
Baculatisporites kachaikensis was named by Archangelsky and Llorens (2005). It is considered to be a form taxon. It is a 3D body fossil. Its type locality is ACM Kachaike, which is in an Aptian/Albian delta plain sandstone/shale in the Kachaike Formation of Argentina.

Sister species lacking formal opinion data
B. disconformis

Synonymy list
YearName and author
2005Baculatisporites kachaikensis Archangelsky and Llorens
2023Baculatisporites kachaikensis Perez Loinaze et al.

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
RankNameAuthor
familyOsmundaceaeBerchtold and Presl
genusBaculatisporitesThomson and Pflug 1953
specieskachaikensis

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.

†Baculatisporites kachaikensis Archangelsky and Llorens 2005
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Diagnosis
ReferenceDiagnosis
A. Archangelsky and M. Llorens 2005Microspore trilete, biconvex. Amb circular to subcircular with convex sides. Lesurae simple and straight, length about 3/4 spore radius to almost the equator. Sculptural elements are mainly broad bacula of various shapes. They are densely placed and occasionally fused at the base. Few cones and spinulae are present. Exine divided in two layers. Inner layer smooth of uniform thickness, outer layer ornamented.
Measurements
No measurements are available
No ecological data are available

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 122.46000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Aptian - Early/Lower Albian125.0 - 109.0Argentina (Santa Cruz) Baculatisporites kachaikensis (149849 149850)
Aptian - Albian125.0 - 100.5Argentina (Santa Cruz) Baculatisporites kachaikensis (type locality: 150615)
Late/Upper Aptian122.46 - 113.0Argentina (Santa Cruz) Baculatisporites kachaikensis (149927)
Early/Lower Albian - Early/Lower Cenomanian112.03 - 93.5Argentina (Santa Cruz) Baculatisporites kachaikensis (149928)
Early/Lower Maastrichtian70.6 - 66.0Argentina (Santa Cruz) Baculatisporites kachaikensis (206968)