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

Also known as MNe-3-b

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 the road

• 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 2438: 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
  -
Anthozoa indet. Ehrenberg 1834
coral B
 Scleractinia - Flabellidae
Flabellum cuneiforme Lonsdale 1845 stony coral
F. c. pachyphyllum
 Scleractinia - Caryophylliidae
Paracyathus bellus Vaughan 1900 stony coral
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral
 Scleractinia - Fungiidae
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Gastropoda
 Opisthobranchia - Cylichnidae
Abderospira meyeri Palmer 1937 snail
 Opisthobranchia - Retusidae
 Trochoidea - Skeneidae
"Skena pignus" = Skenea pignus
"Skena pignus" = Skenea pignus de Gregorio 1890 snail
originally entered as "Skenea pignus"
 Lepetellida - Fissurellidae
Diodora sp. Gray 1821 snail
 Heterostropha - Mathildidae
Gegania antiquata snail
G. a. striata
 Heterostropha - Pyramidellidae
 Heterostropha - Architectonicidae
Architectonica elaborata Conrad 1833 sundial
Architectonica meekana sundial
A. m. splendida
 Heterostropha - Acteonidae
"Actaeon pomilius" = Acteon
"Actaeon pomilius" = Acteon snail
originally entered as "Acteon pomilius"
 Heterostropha - Ringiculidae
 Vanikoroidea - Eulimidae
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell
 Neogastropoda - Turridae
Coronia childreni Lea 1833 turrid
Surculoma sp. Casey 1904 turrid
Eopleurotoma sayi Lea 1833 turrid
 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 - Cochlespiridae
Tropisurcula ? crenula snail
originally entered as "Tropisurcula crenula?"
 Neogastropoda - Costellariidae
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
 Neogastropoda - Melongenidae
 Neogastropoda - Buccinidae
 Neogastropoda - Columbellidae
"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis
"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis snail
Mitrella (Columbellopsis)
 Neogastropoda - Marginellidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
Lyrischapa harrisi Aldrich 1911 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Caricella demissa Conrad 1848 volute
C. d. texana
 Neogastropoda - Muricidae
Murex fusates murex snail
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
spp A
 Neogastropoda - Olivellidae
Agaronia sp. Gray 1839 snail
 Sorbeoconcha - Ranellidae
"Distorsio septemdentata" = Distorsio septendentata
"Distorsio septemdentata" = Distorsio septendentata triton shell
originally entered as "Distortio septemdentata"
 Sorbeoconcha - Cassidae
"Phalium brevicostatum" = Cassis brevicostatus
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Hipponicidae
 Sorbeoconcha - Tornidae
Teinostoma ? sp. Adams and Adams 1853 snail
originally entered as "Teinostoma sp. ?"
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
all species
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Epitonioidea - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
Gymnolaemata
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A
Pasithea
  -
"Niso umbilicata" = Pasithea umbilicata
"Niso umbilicata" = Pasithea umbilicata Lea 1833