First biostratigraphic dating for a Cretaceous ichthyosaur from the Apennine Chain (Italy)
Author
Freschi, Alessandro
Vicolo Potia, 6, 29121, Piacenza (Italia)
Author
Morigi, Alessia
SFERA Programme - Inter Amnes Project, Dipartimento di Discipline Umanistiche Sociali e delle Imprese Culturali, Università degli Studi di Parma, Via M. D'Azeglio 85, 43125, Parma (Italia)
alessia.morigi@unipr.it
Author
Cau, Simone
Via Azzolini, 12, 43037, Lesignano de Bagni (Italia)
Author
Persico, Davide
Dipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 157 / A, 43125, Parma (Italia)
Author
Garbasi, Francesco
Author
Fontana, Filippo
SFERA Programme - Inter Amnes Project, Dipartimento di Discipline Umanistiche Sociali e delle Imprese Culturali, Università degli Studi di Parma, Via M. D'Azeglio 85, 43125, Parma (Italia)
Author
Cau, Andrea
Strada M. R. Imbriani 64, 43125, Parma (Italia)
text
Comptes Rendus Palevol
2023
2023-03-23
22
9
143
157
http://dx.doi.org/10.5852/cr-palevol2023v22a9
journal article
305511
10.5852/cr-palevol2023v22a9
fe088605-d1fa-4ca2-b5d9-751eb51051d5
1777-571X
7762856
urn:lsid:zoobank.org:pub:8494E122-DA15-4996-AECC-FC363F294B2E
TABLE 2. — Nannofossil vertical distribution along the measured section. Abbreviations: CaCO3 concentration: h, high; s, scarce; a, absent; abundance of nannofossils: A, abundant, 1 to 10 specimens per field of view; C, common,1 specimen per 2-10 fields of view; F, few, 1 specimen per 11–100 fields of view; R, rare, 1 specimen per 101–1000 fields of view; preservation degree: G, good; M, moderate; P, poor (see the text for further clarification).| sample | m | preservation [CaCO 3] | Assipetra terebrodentarius Braarudosphaera regularis | Chiastozygus tenuis Cretarhabdus conicus Cyclagelosphaera margerelii Eiffellithus striatus Helenea chiastia | Lithraphidites carniolensis Micrantholithus hoschulzii Micrantholithus imbricatus Micrantholithus obtusus | Nannoconus kamptneri Nannoconus pseudoseptentrionalis Nannoconus sp. Nannoconus steinmannii Retecapsa angustiforata Rhagodiscus angustus Rhagodiscus asper Rhagodiscus splendens Staurolithites mutterlosei Watznaueria barnesiae Watznaueria britannica | Zeugrhabdotus diplogrammus Zeugrhabdotus embergeri Zeugrhabdotus noeliae Zeugrhabdotus scutula |
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| PAD 11 | 9.4 | G | h | F | – | – | – | C | – | R | F | C | – | R | C | C | C | C | F | R | F | F | R | A | R | C | F | F | – |
|---|
| PAD 09 | 8.5 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
|---|
| PAD 08 | 7.3 | P | a | – | – | – | – | – | – | – | F | – | – | – | – | – | – | – | – | – | R | – | – | C | F | – | – | – | – |
|---|
| PAD 07 | 6.35 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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| PAD 06 | 5.15 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
|---|
| PAD 05 | 4.7 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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| PAD 04 | 3.85 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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| PAD 10 VERTEBRAE | 3.5 | M | S | F | R | R | R | – | F | F | F | F | F | F | F | – | F | R | R | F | F | – | F | A | C | C | F | – | R |
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| PAD 03 | 2.8 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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| PAD 02 | 2.45 | P | a | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
|---|
| PAD 01 | 2.05 | P | a | – | – | – | – | – | R | R | – | – | – | – | – | – | – | – | – | – | R | – | – | R | R | – | – | – | – |
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| PAD 00 | 1.1 | P | a | – | – | – | – | – | – | – | – | – | – | R | – | – | – | – | – | – | – | – | – | C | R | – | R | – | – |
|---|