Walton-on-the-Naze, general (Eocene of the United Kingdom)

Where: United Kingdom (51.9° N, 1.3° E: paleocoordinates 47.3° N, 1.2° W)

• coordinate based on nearby landmark

When: London Clay Formation, Ypresian (56.0 - 47.8 Ma)

• "Lower Eocene London Clay"

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. Daniels, A. Oxford in 1991; reposited in the BMNH

• figured specimen from a private collection

Primary reference: G. Mayr and M. Daniels. 2001. A new short-legged landbird from the early Eocene of Wyoming and contemporaneous European sites. Acta Palaeontologica Polonica 46(3):393-402 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85229: authorized by John Alroy, entered by John Alroy on 06.12.2008, edited by Mark Uhen, Graeme Lloyd and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Phaethontiformes - Prophaethontidae
Prophaethon shrubsolei4 Andrews 1899 bird
 Upupiformes -
Waltonirrisor tendringensis n. gen. n. sp.6 Mayr and Kitchener 2024 bird
 Neornithes - Fluvioviridavidae
cf. Fluvioviridavis sp. Mayr and Daniels 2001 bird
 Coliiformes -
Eocolius walkeri n. gen. n. sp.3
Eocolius walkeri n. gen. n. sp.3 Dyke and Waterhouse 2001 mousebird
BMNH A 6205; BMNH A 5950
 Psittaciformes - Messelasturidae
Tynskya waltonensis n. sp.5 Mayr 2021 parrot
 Piciformes -
Pristineanis major n. sp.6, Pristineanis minor n. gen. n. sp.6
Pristineanis major n. sp.6 Mayr and Kitchener 2024 bird
Pristineanis minor n. gen. n. sp.6 Mayr and Kitchener 2024 bird
 Coraciiformes -
Coracii indet.6 Wetmore and Miller 1926 bird
"Laputa robusta n. gen. n. sp." = Laputavis robusta2 Dyke 2001 bird
BMNH A6206
Septencoracias simillimus n. sp.6 Mayr and Kitchener 2024 bird
? Primobucco sp.6 Brodkorb 1970 bird
 Anseriformes -
"Anatalavis oxfordi n. gen. n. sp." = Nettapterornis oxfordi7
"Anatalavis oxfordi n. gen. n. sp." = Nettapterornis oxfordi7 Olson 1999 waterfowl
BMNH A5922
Chondrichthyes
 Myliobatiformes - Myliobatidae
"Rhinoptera daviesi" = Burnhamia daviesi1
"Rhinoptera daviesi" = Burnhamia daviesi1 Woodward 1889 eagle ray
 Odontaspidida - Isuridae
Oxyrhina praecursor1 Leriche 1942 mackerel shark
  - Notidanidae
Xenodolamia eocaena1 Woodward 1889 shark
 Lamniformes - Carchariidae
"Odontaspis hopei" = Carcharias hopei1
"Odontaspis hopei" = Carcharias hopei1 Agassiz 1843 sand shark
 Lamniformes - Otodontidae
"Lamna obliqua" = Otodus obliquus1, "Odontaspis macrota" = Otodus macrotus1
"Lamna obliqua" = Otodus obliquus1 Agassiz 1838 mackerel shark
"Odontaspis macrota" = Otodus macrotus1 Agassiz 1838 mackerel shark