Boro's, Newton, MS; 10-12" above base of outcrop; bag #2 (Eocene of the United States)

Also known as MNe-3-a2

Where: Newton County, Mississippi (32.3° N, 89.2° W: paleocoordinates 33.0° N, 80.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Archusa Marl Member (Cook Mountain Formation), Bartonian (41.3 - 38.0 Ma)

• probably near top of Archusa - overlying Potterchitto Mbr is well-exposed across street

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, glauconitic marl

• sandy marl

Size class: mesofossils

Preservation: original aragonite, original calcite

Collection methods: bulk, mechanical, sieve,

Primary reference: L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2437: authorized by Linda Ivany, entered by Linda Ivany on 05.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes all countable macrofossils but bivalves, does include oysters
Anthozoa indet. Ehrenberg 1834
coral B
 Scleractinia - Flabellidae
Flabellum cuneiforme Lonsdale 1845 stony coral
F. c. pachyphyllum
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral
 Scleractinia - Caryophylliidae
Paracyathus alternatus Vaughan 1900 stony coral
 Scleractinia - Fungiidae
Gastropoda indet. Cuvier 1795 snail
Gastropod R
 Heterostropha - Ringiculidae
 Heterostropha - Pyramidellidae
 Heterostropha - Architectonicidae
Architectonica elaborata Conrad 1833 sundial
 Opisthobranchia - Cylichnidae
Abderospira aldrichi Langdon 1886 snail
 Opisthobranchia - Retusidae
 Neotaenioglossa - Calyptraeidae
Crepidula lirata Conrad 1833 slipper shell
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Hipponicidae
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Vitrinellidae
Vitrinella sp. Adams 1850 snail
 Sorbeoconcha - Tornidae
Tornus infraplicatus Johnson 1899 snail
Teinostoma ? sp. Adams and Adams 1853 snail
originally entered as "Teinostoma sp. ?"
 Neogastropoda - Costellariidae
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
 Neogastropoda - Olivellidae
Agaronia sp. Gray 1839 snail
 Neogastropoda - Fasciolariidae
Falsifusus ludlovicianus snail
originally entered as "Falsifusus" ludlovicianus"
Latirus moorei Gabb 1860 snail
 Neogastropoda - Columbellidae
"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis
"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis snail
Mitrella (Columbellopsis)
 Neogastropoda - Melongenidae
 Neogastropoda - Buccinidae
Buccitriton sagenum Conrad 1833 true whelk
 Neogastropoda - Turridae
"Coronia margaritosa" = Gemmula (Coronia) turrid
Surculoma sp. Casey 1904 turrid
Lyrosurcula dalli turrid
L. d. quadricosta
Eopleurotoma carya Harris 1937 turrid
 Neogastropoda - Terebridae
Terebra (Mirula) texagyra auger snail
originally entered as "Terebra (Mirula) texagyra"
 Neogastropoda - Conidae
Conus smithvillensis Harris 1895 cone shell
 Neogastropoda - Cochlespiridae
"Ancistrosyrinx bella" = Cochlespira, Tropisurcula ? crenula
"Ancistrosyrinx bella" = Cochlespira snail
Tropisurcula ? crenula snail
originally entered as "Tropisurcula crenula?"
 Neogastropoda - Raphitomidae
Daphnella sp. Hinds 1844 snail
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
Cordieria ludoviciana Vaughn 1896 snail
originally entered as "Cordiera ludoviciana"
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
spp A
 Neogastropoda - Volutidae
Caricella pyruloides Conrad 1832 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Bullata semen Lea 1833 volute
 Neogastropoda - Muricidae
Murex fusates murex snail
"Murex vanuxemi" = Hexaplex (Hexaplex) vanuxemi Conrad 1865 murex snail
M. v. silvaticus
 Neogastropoda - Marginellidae
Marginella constrictoides, "Prunum (Leptegouana) columba" = Prunum (Microspira)
"Prunum (Leptegouana) columba" = Prunum (Microspira) margin shell
originally entered as "Prunum (Leptegouana) columba"
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus, Fusoficula angelinensis
"Ficopsis texana" = Ficus fig shell
Fusoficula angelinensis Harris 1919 fig shell
 Sorbeoconcha - Triforidae
Cerithiella sp. Verrill 1882 snail
sp. B
 Cerithioidea - Thiaridae
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
all species
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A