Elipsoideichnus meyeri Roselli 1987 revisited: A helicoidal fossil bee nest from the Paleogene of Uruguay | Zendy

Mariano Verde | Zendy; Jorge F. Genise | Zendy

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Elipsoideichnus meyeri Roselli 1987 revisited: A helicoidal fossil bee nest from the Paleogene of Uruguay

Author(s) -

Mariano Verde,

Jorge F. Genise

Publication year - 2020

Publication title -

spanish journal of palaeontology

Language(s) - English

Resource type - Journals

eISSN - 2660-9568

pISSN - 2255-0550

DOI - 10.7203/sjp.29.1.17485

Subject(s) - trace fossil , whorl (mollusc) , holotype , nest (protein structural motif) , paleogene , trace (psycholinguistics) , spiral (railway) , paleontology , biology , geology , zoology , genus , cretaceous , mathematics , philosophy , biochemistry , linguistics , mathematical analysis

The rare helicoidal trace fossil Elipsoideichnus meyeri Roselli 1987 was known only from its holotype. New materials were collected and revised, confirming the validity and interpretation of this ichnotaxon. Its previously inferred internal structure, composed of two pair of internal, opposite cells per whorl, was checked and completed with these new materials. Sections of specimens show that cells have a thick lining. The fi nding of a spiral cap in cells fi nally confi rms that unknown bees are the trace makers of E. meyeri, possibly related with Oxaeinae or Halictinae.

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