Cliffend, Upper Barton Beds, J, Hampshire (Eocene of the United Kingdom)

Where: England, United Kingdom (50.7° N, 1.7° W: paleocoordinates 48.6° N, 5.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Becton Bunny Member (Becton Formation), Bartonian (41.3 - 38.0 Ma)

• "Upper Barton Beds"; this bed is 26 ft thick, the lettering of the beds starts with the lowest Barton beds

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; sandy claystone

• Inner neritic and coastal sand-dominated sediments; faunas in the lower part indicate a fully marine environment, but in the upper part are dominantly brackish. Bed J (Becton Bunny Member or Olivella branderi bed) contains a mixture of marine and estuarine taxa.
• drab very sandy clay with casts of small bivalves, overlain by more clays

Size class: macrofossils

Preservation: cast

Collection methods: In the introduction, Burton says that he is reporting fauna "the horizons of which are known to the author", and states that he has collected 480 specimens. It is also clear that he is pulling from other sources, some published (in difficult to obtain British journals), some not. It's difficult to tell which are his and which aren't. This is not a definitive source for this collection, but I think it's a reasonable place to start.

Primary reference: E. S.t. J. Burton. 1933. Faunal Horizons of the Barton Beds in Hampshire. Proceedings of the Geologist's Association 44:131-167 [J. Alroy/E. Leckey/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42648: authorized by John Alroy, entered by Erin Leckey on 03.08.2004, edited by Lerin Baltzly, Mark Uhen and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda - Macropipidae
Portunites sylviae n. sp.2 Quayle and Collins 1981 crab
 Decapoda - Cheiragonidae
Stintonius subovata2 Quayle and Collins 1981 crab
 Decapoda - Mathildellidae
Branchioplax concinna2 Quayle and Collins 1981 crab
 Decapoda - Chasmocarcinidae
Orthakrolophos bartonensis2 Quayle and Collins 1981 crab
 Decapoda - Parthenopidae
Parthenope (Pseudolambrus) pentagonus n. sp.2 Quayle and Collins 1981 crab
Phrynolambrus pentagonus2 Quayle and Collins 1981 crab
 Podocopa - Cytheridae
 Arcida - Arcidae
 Arcida - Glycymerididae
 Arcida - Limopsidae
 Pectinida - Pectinoidae
"Chlamys recondita" = Mimachlamys reconditus
"Chlamys recondita" = Mimachlamys reconditus Solander 1766 scallop
 Ostreida - Ostreidae
"Ostrea cf. tenera" = Crassostrea tenera
"Ostrea cf. tenera" = Crassostrea tenera Sowerby 1819 oyster
 Ostreida - Pteriidae
 Mytilida - Mytilidae
Mytilus affinis Sowerby 1829 mussel
 Carditida - Carditidae
 Pholadida - Corbulidae
 Cardiida - Cyrenidae
 Cardiida - Mactridae
"Mactra compressa" = Spisula compressa
"Mactra compressa" = Spisula compressa Deshayes 1832 clam
 Cardiida - Veneridae
 Cardiida - Psammobiidae
"Gari rudis" = Gari (Garum) rudis
"Gari rudis" = Gari (Garum) rudis Lamarck 1806 clam
 Lucinida - Lucinidae
"Divaricella rigaultiana" = Divalinga (Stchepinskya) rigaultiana
"Divaricella rigaultiana" = Divalinga (Stchepinskya) rigaultiana Deshayes 1858 clam
 Nuculida - Nuculidae
"Nucula similis" = Nucula (Pronucula) similis
"Nucula similis" = Nucula (Pronucula) similis Cossmann and Pissarro 1904 nut clam
 Opisthobranchia - Bullidae
Bullinella sp. Newton snail
 Neogastropoda - Olividae
Olivella branderi olive snail
 Neogastropoda -
"Ancilla buccinoides" = Spirancilla buccinoides
"Ancilla buccinoides" = Spirancilla buccinoides Lamarck 1802 snail
 Neogastropoda - Buccinidae
"Pollia (Tritonidea) lavata" = Cantharus (Pollia)
"Pollia (Tritonidea) lavata" = Cantharus (Pollia) true whelk
 Neogastropoda - Fasciolariidae
Clavilithes sp. Swainson 1840 snail
 Neogastropoda - Cancellariidae
"Uxia elongata" = Unitas elongata
"Uxia elongata" = Unitas elongata Nyst 1843 snail
 Neogastropoda - Drilliidae
Drillia sp. Gray 1838 snail
 Vanikoroidea - Eulimidae
Eulima sp. Risso 1826 snail
 Naticoidea - Naticidae
Natica labellata Lamarck 1804 moon snail
 Calyptraeoidea - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Truncatelloidea - Tornidae
 Sorbeoconcha - Thiaridae
 Heterostropha - Ringiculidae
 Pyramidelloidea - Pyramidellidae
Odontostomia sp. Jefferys 1839 snail
 Architectonicoidea - Architectonicidae
"Solariaxis canaliculatus" = Architectonica (Solariaxis)
"Solariaxis canaliculatus" = Architectonica (Solariaxis) sundial
 Nautilida - Nautilidae
Nautilidae indet.1 de Blainville 1825 nautiloid
 Cheilostomata - Adeonidae
"Otolithus (Percidarum) aff. plebeius" = Percidarum
"Otolithus (Percidarum) aff. plebeius" = Percidarum bony fish
 Pleuronectiformes - Soleidae
"Otolithus (Berycidarum) bartonensis" = Eosolea bartonensis
"Otolithus (Berycidarum) bartonensis" = Eosolea bartonensis Frost 1934 flatfish
 Spatangoida - Hemiasteridae
Hemiaster branderi heart urchin
 Scleractinia - Turbinoliidae
Turbinolia forbesi stony coral
"Otolithus concavus" = Otolithes
"Otolithus concavus" = Otolithes
 Miliolida -