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Neoraistrickia loconiensis

Lycopodiopsida - Selaginellales - Selaginellaceae

Taxonomy
Neoraistrickia loconiensis was named by De Benedetti et al. (2024). It is considered to be a form taxon. Its type specimen is MPEF-PA 923, a megaspore, and it is a 3D body fossil. Its type locality is Cerro Buitre Norte (CBN) Maastrichtian, which is in a Maastrichtian terrestrial siltstone in the La Colonia Formation of Argentina.

Sister species lacking formal opinion data
N. caudicea, N. cornutus, N. delicata, N. ramosa

Synonymy list
YearName and author
2024Neoraistrickia loconiensis De Benedetti et al. p. 5

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
—Tracheophyta(Sinnott 1935)
phylumLycopodiophytaScott 1900
RankNameAuthor
classLycopodiopsidaBartling 1830
orderSelaginellalesPrantl 1874
familySelaginellaceaeWillkomm 1854
genusNeoraistrickiaPotonié 1956
speciesloconiensis

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.

†Neoraistrickia loconiensis De Benedetti et al. 2024
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Diagnosis
ReferenceDiagnosis
F. De Benedetti et al. 2024Spore trilete, amb triangular to subcircular. Laesurae about 3/4 spore radius or reaching to margin, with raised lips. Exine two-layered, inner ~1 μm thick, outer sculptured with bacula, coni, spines, and verrucae. Sculptural elements 1.5–4.5 μm high, densely to sparsely placed, fused at the base, sometimes forming an irregular microfoveolate surface. Tip of the elements usually truncate and with multiple papillae.
Measurements
No measurements are available
Environment: freshwater, terrestrialp
Diet: "photoautotroph"superp
Created: 2026-03-29 16:49:22
Modified: 2026-03-29 21:49:22
Source: p = phylum, superp = superphylum
References: Morris et al. 2018, Kenrick and Crane 1997

Age range: base of the Maastrichtian to the top of the Early/Lower Paleocene or 72.20000 to 61.66000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.2 - 66.0Argentina (Chubut) Neoraistrickia loconiensis (199410 239890 type locality: 239891)
Maastrichtian - Early/Lower Paleocene72.2 - 61.66Argentina (Chubut) Neoraistrickia loconiensis (195707)
Danian66.0 - 61.66Argentina (Chubut) Neoraistrickia loconiensis (239892) Neoraistrickia sp. (136508)