SEARCH SEARCH

Article Search

Erratic vertebrae: Table

TABLE 1. Calcareous nannofossil species determined in the samples GG 501-1 and MV400005. MP = moderate to poor, P = poor, VP = very poor preservation, L = low abundance. Biozones follow Burnett (1998).  ● taxon present, ≥ 2 specimens. ◌ taxon present, single specimen

Sample GG 501-N1 GG 501-N2 MV400005-N1 MV400005-N2
Nannofossil preservation MP P VP P
Nannofossil abundance L L L L
Biozone UC0-UC2a UC0-UC3a
Species richness (SR) 34 30 14 22
Axopodorhabdus albianus       ●
Biscutum constans ● ●   ●
Broinsonia matalosa ●   ●  
Broinsonia signata   ● ● ●
Bukrylithus ambiguus ◌ ●    
Calciosolenia fossilis ● ●    
Chiastozygus litterarius ●   ◌ ●
Chiastozygus platyrhetus ◌     ◌
Chiastozygus spissus ◌      
Chiastozygus synquadriperforatus     ●  
Cribrosphaerella ehrenbergii   ●    
Cyclagelosphaera margerellii ◌   ● ●
Discorhabdus ignotus   ●    
Eiffellithus equibiramus ● ●    
Eiffellithus monechiae   ●    
Eiffellithus paragogus   ●    
Eiffellithus turriseiffelii ● ●   ●
Eprolithus apertior       ●
Gartnerago theta ● ● ● ●
Gorkaea operio ◌ ◌    
Helicolithus compactus   ●   ●
Litraphidites cf. acutus       ◌
Manivitella pemmatoidea   ●    
Prediscosphaera columnata ● ● ●  
Prediscosphaera cretacea   ●    
Radiolithus orbiculatus ● ●    
Radiolithus planus ◌      
Radiolithus undosus ●      
Repagulum parvidentatum ● ● ◌  
Retecapsa crenulata ◌      
Rhagodiscus angustus   ●   ◌
Rhagodiscus hamptonii ◌      
Rhagodiscus splendens       ●
Rotelapillus crenulatus   ●    
Sollasites horticus ● ●   ◌
Staurolithites ellipticus ●   ● ●
Staurolithites gausorhethium ● ●    
Staurolithites lafittei ●   ● ●
Tegumentum stradneri   ●    
Tranolithus orionatus ● ● ● ●
Tubodiscus burnettiae ◌      
Watznaueria barnesiae ● ● ● ●
Watznaueria baticlypeata ◌      
Zeugrhabdotus acanthus ●     ●
Zeugrhabdotus bicrescenticus ● ● ● ●
Zeugrhabdotus diplogrammus ● ●    
Zeugrhabdotus embergeri       ●
Zeugrhabdotus erectus ● ●    
Zeugrhabdotus howei ● ●    
Zeugrhabdotus trivectis ● ● ● ●
Zeugrhabdotus xenotus ●