Serpulidae from the Albian–Cenomanian (Cretaceous) of Mexico

Two serpulid species, ? ? and ? sp., are recorded from the Morelos Formation (mid-Cretaceous) in Mexico. Serpulid tube structure is microcrystalline; the examined tubes are slightly diagenetically altered, but growth layers are well preserved. The short, straight growth layers with slightly curved d...

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Bibliographic Details
Published in:Geologos 2024-04, Vol.30 (1), p.57-63
Main Authors: Vinn, Olev, Espinosa, Catalina Gómez, Bahena, Daniel Aviléz, Campos García, Fatima L., Talavera-Mendoza, Oscar
Format: Article
Language:English
Subjects:
Cretaceous
Environmental conditions
microstructure
mineral composition
Nutrient content
palaeoecology
Polychaetes
Protula
Seawater
tube worms
Tubes
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Summary:Two serpulid species, ? ? and ? sp., are recorded from the Morelos Formation (mid-Cretaceous) in Mexico. Serpulid tube structure is microcrystalline; the examined tubes are slightly diagenetically altered, but growth layers are well preserved. The short, straight growth layers with slightly curved distal ends in ? ? occur also in some other serpulids such as the genus . The Mexican serpulid tubes are of a calcitic composition. The diversity of the present serpulid association is low for shallow tropical seas of the Cretaceous in comparison to rich assemblages recorded from Europe. The low diversity presumably results from some local environmental conditions such as rapid sedimentation and low nutrient content of sea water.
ISSN:1426-8981
2080-6574
DOI:10.14746/logos.2024.30.1.05