Sohl and Koch OFR # 20: Early/Lower Maastrichtian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
Echinoidea indet. (Leske 1778)
Echinoid sp. - originally entered as "Echinoidea sp."
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
Polychaeta - Serpulimorpha
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Cephalopoda - Ammonoidea
Ammonoidea indet. Zittel 1884
"Ammonite fragments": originally entered as "Ammonite"; changed by JA 30.6.04
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras dekayi (Morton 1834)
1 specimen
Eutrephoceras dekayi (Morton)
Gastropoda - Heterostropha - Architectonicidae
Architectonica (Granosolarium) sp. Röding 1798
2 specimens
Architectonica (Granosolarium) sp.
Gastropoda - Eucyclidae
Calliomphalus (Calliomphalus) americanus
1 specimen
Calliomphalus (Calliomphalus) amer
Gastropoda - Turritellidae
Laxispira monilifera Sohl 1964
5 specimens
Laxispira monilifera Sohl
Turritella (Sohlitella) trilira (Conrad 1860)
1 specimen
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella tippana Conrad 1858
14 specimens
Turritella tippana Conrad
Turritella vertebroides Morton 1834
2 specimens
Turritella vertebroides Morton
Gastropoda - Neogastropoda
Neogastropoda indet. Thiele 1929
6 specimens
Neogastropods indeterminate
Gastropoda - Neogastropoda - Buccinidae
? Hydrotribulus sp. Wade 1916
1 specimen
Hydeotribulus ? sp. - originally entered as "Hydeotribulus ? sp."
Gastropoda - Neogastropoda - Melongenidae
Deussenia bellalirata Conrad 1858
1 specimen
Deussenia bellalirata (Conrad)
Gastropoda - Neogastropoda - Volutidae
Liopeplum cf. nodosum Sohl 1964
1 specimen
Liopeplum cf. L. nodosum - originally entered as "Liopeplum cf. nodosum"
Longoconcha sp. Stephenson 1941
2 specimens
Longoconcha spp.
Gastropoda - Aporrhaidae
Pugnellus (Pugnellus) densatus
1 specimen
Pugnellus (Pugnellus) densatus Con
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
51 specimens
Crenella serica Conrad
Crenella elegantula Meek and Hayden 1862
5 specimens
Crenella elegantula Meek & Hayden
Bivalvia - Mytilida - Mytilidae
Lithophaga sp. Röding 1798
1 specimen
Lithophaga sp.
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) bubonis (Stephenson 1941)
2 specimens
Camptonectes (Camptonectes) bubonis (
Bivalvia - Pectinida - Limidae
Lima (Lima) acutilineata Conrad 1858
1 specimen
recombined as Limatula acutilineata
Lima (Lima) acutilineata Conrad
Lima (Lima) reticulata Forbes 1845
10 specimens
recombined as Lima reticulata
Lima (Lima) reticulata Lyell & For
Lima (Lima) pelagica (Morton 1833)
1 specimen
Lima (Lima) pelagica (Morton)
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
11 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
17 specimens
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Ostreida - Ostreidae
Arctostrea falacata
6 specimens
Arctostrea falacata (Gabb)
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
3 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
70 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Gryphaeostrea vomer (Morton 1828)
9 specimens
Gryphaeostrea vomer Morton
Pycnodonte aff. belli
5 specimens
Pycnodonte aff. P. belli - originally entered as "Pycnodonte aff. belli"
Pycnodonte vesicularis (Lamarck 1806)
4 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
2 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Arcida - Glycymerididae
Glycymeris rotundata
109 specimens
Glycymeris rotundata (Gabb)
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) tippananum
2 specimens
synonym of Trachycardium
Granocardium (Granocardium) tippan
Trachycardium eufaulensis (Conrad 1860)
16 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Veneridae
Cyclorisma parva
1 specimen
Cyclorisma parva (Gardner)
Cyprimeria alta
1 specimen
Cyprimeria alta Conrad
Bivalvia - Cardiida - Mactridae
Cymbophora berryi
1 specimen
Cymbophora berryi (Gardner)
Bivalvia - Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916
1 specimen
Corbula monmouthensis Gardner
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
1 specimen
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Corbula sp. Bruguière 1789
1 specimen
Corbula sp.
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
19 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Carditida - Carditidae
Vetericardiella sp. Chavan 1969
1 specimen
Vetericardiella sp.
Bivalvia - Carditida - Astartidae
Astarte culebrensis
1 specimen
Astarte? culebrensis (Stephenson)
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) angulicostata
3 specimens
Pterotrigonia (Scabrotrigonia) ang
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
see common names

Geography
Country:United States State/province:Mississippi County:Pontotoc
Coordinates: 34.4° North, 88.9° West (view map)
Paleocoordinates:37.9° North, 66.3° West
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Early/Lower Maastrichtian Foram zone: Gansserina gansseri
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Chiwapa
Stratigraphic resolution:formation
Stratigraphy comments: No forams have been recovered from this unit, it is assigned to the Gansserina gansseri zone by Mancini et al. (1996) by sequence stratigraphy and the biostratigraphy of surrounding units. Haustator bilira assemblage zone.
Lithology and environment
Primary lithology:glauconitic silty sandstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite,replaced with calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Center Hill Church; USGS # 32322
Database number:4111
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Manojlovic Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-07-25 19:01:36
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

281. N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [M. Kosnik/M. Kosnik]

Secondary references:

29915 J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]