Boro's, Newton, MS, 10-12" above base of outcrop; bag #1 (Eocene of the United States)

Also known as MNe-3-a1

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 close to top of Archusa Marl - overlying Potterchitto Mbr is well-exposed across the 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 2436: 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 - Fungiidae
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral
 Scleractinia - Caryophylliidae
Paracyathus bellus Vaughan 1900 stony coral
 Scleractinia - Flabellidae
Flabellum cuneiforme Lonsdale 1845 stony coral
F. c. pachyphyllum
Hexactinellida
 Innaecoeliida - Craticulariidae
Pleurostoma (Bela) rebeccae glass sponge
"Pleurotoma" (Bela) - originally entered as "Pleurotoma rebeccae"
Gymnolaemata
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Gastropod N
 Opisthobranchia - Cylichnidae
Abderospira aldrichi Langdon 1886 snail
 Opisthobranchia - Retusidae
 Heterostropha - Architectonicidae
 Heterostropha - Ringiculidae
 Heterostropha - Pyramidellidae
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Vanikoroidea - Eulimidae
 Epitonioidea - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
 Cerithioidea - Thiaridae
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
all species
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Cassidae
"Phalium brevicostatum" = Cassis brevicostatus
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
 Sorbeoconcha - Ranellidae
"Distorsio septemdentata" = Distorsio septendentata
"Distorsio septemdentata" = Distorsio septendentata triton shell
originally entered as "Distortio septemdentata"
 Sorbeoconcha - Xenophoridae
Xenophora sp. Fischer von Waldheim 1807 carrier shell
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
spp A
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
Papillina dumosa Conrad 1854 snail
 Neogastropoda - Buccinidae
Buccitriton sagenum Conrad 1833 true whelk
 Neogastropoda - Melongenidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
 Neogastropoda - Marginellidae
"Prunum (Leptegouana) columba" = Prunum (Microspira), Marginella constrictoides
"Prunum (Leptegouana) columba" = Prunum (Microspira) margin shell
originally entered as "Prunum (Leptegouana) columba"
 Neogastropoda - Muricidae
Murex fusates murex snail
 Neogastropoda - Olivellidae
Agaronia alabamensis Conrad 1833 snail
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
Cordieria biconica snail
originally entered as "Cordiera biconica"
 Neogastropoda - Raphitomidae
Daphnella sp. Hinds 1844 snail
 Neogastropoda - Turridae
"Coronia margaritosa" = Gemmula (Coronia) turrid
Coronia childreni Lea 1833 turrid
Surculoma sp. Casey 1904 turrid
Scobinella newtonensis Aldrich 1911 turrid
 Neogastropoda - Cochlespiridae
Tropisurcula ? crenula snail
originally entered as "Tropisurcula crenula?"
 Neogastropoda - Conidae
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus
"Ficopsis texana" = Ficus fig shell
 Sorbeoconcha - Hipponicidae
 Lepetellida - Fissurellidae
Diodora sp. Gray 1821 snail