Ahmuellerella regularis

Reinhardt, 1964 Aug 05, 2020

Set number: 104

  • Ahmuellerella hemmoorensis 10402 1
  • Ahmuellerella hemmoorensis 10400 2
  • Ahmuellerella hemmoorensis 10404 3
  • Ahmuellerella hemmoorensis 10398 4
  • Ahmuellerella hemmoorensis 10403 5
  • Ahmuellerella hemmoorensis 10401 6
  • Ahmuellerella hemmoorensis 10405 7
  • Ahmuellerella hemmoorensis 10399 8
    10µm
Ahmuellerella regularis, Late Campanian, Unknown
Final Epithet
Ahmuellerella regularis Reinhardt, 1964
Basionym

Trematolithus regularis Gorka, 1957,

[Valid according to ICN Art. 45 because it was originally described using ICZN codes by Gorka (1957). The Code used by Gorka (1957) is determined "through internal evidence, irrespective of any claim by the author as to the group of organisms to which the taxon is assigned"].

Synonyms

Ahmuellerella limbitenuis Reinhardt, 1964

Reinhardtites mirabilis Perch-Nielsen, 1968c

Rhagodiscus hemmoorensis Hoffmann 1970

Cretarhabdus imbricis Shumenko 1970

Ahmuellerella alboradiata Lees & Bown, 2005

Remarks

Species of Ahmuellerella have eight radial bars covering the entire central area. The dark median suture is visible between the segments of each bar under polarised light. The bars radiate from the centre of the central area.

References

Górka, H. 1957. Les Coccolithophoridés du Maestrichtien supérieur de Pologne. Acta Palaeontologica Polonica. 2: 239-284

Hoffmann, N. 1970. Taxonomische Untersuchungen an Coccolithen aus der Kreide Norddeutchlands anhand elektronenmikroskopischer Aufnamen. Hercynia. 7(1-3): 163-198.

Lees, J.A., Bown, P.R. 2005. Upper Cretaceous calcareous nannofossil biostratigraphy, ODP Leg 198 (Shatsky Rise, Northwest Pacific Ocean). Proceedings of the Ocean Drilling Program. Scientific Results. 198: 1-60.

Perch-Nielsen, K., 1968c. Der Feinbau und die Klassifikation der Coccolithen aus dem Maastrichtien von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab 16, 1-96.

Reinhardt, P. 1964. Einige Kalkflagellaten-Gattungen (Coccolithophoriden, Coccolithineen) aus dem Mesozoikum Deutschlands. - Monatsberichteder Deutschen Akademieder Wissenschaftenzu Berlin. 6: 749-759.

Shumenko, S.I. 1970. An electron microscopic study of Microrhabdulids and their taxonomic position. Paleontological Journal, 4(2): 18-23.

Verbeek, J.W. 1977. Calcareous nannoplankton biostratigraphy of Middle and Upper Cretaceous deposits in Tunisia, southern Spain and France. Utrecht Micropaleontological Bulletins, 16: 1-157.

Taxonomy
Ahmuellerella
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Cretaceous
        • Late Cretaceous
          • -
            • Maastrichtian
              • Late Maastrichtian
            • Santonian
              • Early Santonian
Stratigraphic Range
Early Santonian - Late Maastrichtian
Age (Ma)
85.29 - 66.04
Zone(s)
CC16 - CC26
Holotype
Ahmuellerella hemmoorensis 10417

Trematolithus regularis Gorka, 1957

Late Maastrichtian

Gora Pulawska, Vistula Valley, Poland