Where: Rusk County, Texas (30.0° N, 97.3° W: paleocoordinates 33.3° N, 83.3° W)
• coordinate stated in text
• local area-level geographic resolution
When: NP13 foram zone, Marquez Shale Member (Reklaw Formation), Ypresian (56.0 - 47.8 Ma)
• Upper layer of up to 100' of brown clay with streaks of sand, green-sand, clay and clay-ironstone concretions.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; unlithified, concretionary, brown, green, sandy claystone
Size class: mesofossils
Collection methods: bulk, surface (in situ),
Primary reference: C. L. Garvie. 1996. The Molluscan Macrofauna of the Reklaw Formation, Marquez Member (Eocene: Lower Claibornian), in Texas. Bulletins of American Paleontology 111(352):1-177 [L. Ivany/E. Kowalski]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 84325: authorized by Arnold Miller, entered by Jocelyn Sessa on 08.10.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
? Calorhadia sp. Stewart 1930 pointed nut clam
Litorhadia valdefragilis pointed nut clam | |
Nucula sp. Lamarck 1799 nut clam | |
"Claibornicardia coloradonis" = Glyptoactis (Claibornicardia), "Claibornicardia sp." = Glyptoactis (Claibornicardia), Venericor densata n. sp.
"Claibornicardia coloradonis" = Glyptoactis (Claibornicardia) clam Claibornicardia coloradonis subsp.
"Claibornicardia sp." = Glyptoactis (Claibornicardia) Stenzel and Krause 1957 clam | |
Cuna sp. Hedley 1902 clam | |
"Notocorbula marquezensis n. sp." = Corbula (Notocorbula)
"Notocorbula marquezensis n. sp." = Corbula (Notocorbula) clam Notocorbula marquezensis Garvie, 1996
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"Lutetia cf. texana" = Kellyella (Lutetia)
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Scaphopoda | |
Cadulus bisissura n. sp.
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Episiphon gracilis n. sp.
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Gastropoda | |
Mnestia confusa n. sp.
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Skaptotion reklawensis n. sp.
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Litiopa texana n. sp.
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Bittium tresquatrum n. sp.
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Turritella turneri turret shell | |
Cyclostremiscus exacuus snail | |
"Distorsio nucleoides n. sp." = Sassia nucleoides
"Distorsio nucleoides n. sp." = Sassia nucleoides Garvie 1996 triton shell Distorsio (Personella) nucleoides Garvie, 1996
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"Ficopsis nucleoides n. sp." = Ficus
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"Volutocorbis stenzeli" = Athleta (Volutocorbis), "Athleta petrosus" = Athleta petrosa
"Volutocorbis stenzeli" = Athleta (Volutocorbis) volute | |
Hexaplex eoa n. sp.
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? Admetula sp. Cossmann 1889 snail
? Bonellitia sp. Jousseaume 1887 snail | |
Raphitoma bastropensis n. sp.
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Hastula ampulla n. sp., Hastula milamensis n. sp.
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Tropisurcula planus n. sp., Tropisurcula milamensis n. sp.
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Microdrillia rostratula snail | |
Eosurcula moorei n. sp., ? Hesperiturris monilis n. sp., Hesperiturris nodocarinatus n. sp., "Coronia sp." = Gemmula (Coronia), "Coronia taylori n. sp." = Gemmula (Coronia), Protosurcula aurora n. sp., Lyrosurcula cf. vaughani, Surculoma imbricata n. sp., ? Pleurofusia huppertzi, Michela trabeatoides n. sp.
Hesperiturris nodocarinatus n. sp. Gabb 1860 turrid Hesperiturris nodocarinatus crassus Garvie, 1996
"Coronia sp." = Gemmula (Coronia) turrid
Lyrosurcula cf. vaughani turrid
? Pleurofusia huppertzi turrid | |
"Volvariella milamensis n. sp." = Volvaria (Volvariella)
"Volvariella milamensis n. sp." = Volvaria (Volvariella) mitre shell Volvariella milamensis Garvie, 1996
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Ancilla staminea n. sp.
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Siphonalia sp., Laevibuccinum lineatum, ? Laevibuccinum sp., Antillophos multilineatum n. sp., Mitrella nuttalli n. sp., Latirus traceyi n. sp., ? Levifusus serrae n. sp., "Tritiaria nodosa n. sp." = Nassarius (Tritiaria), Colwellia bilineata n. sp., Colwellia sp.
Siphonalia sp. Adams 1863 true whelk
Laevibuccinum lineatum true whelk
? Laevibuccinum sp. Conrad 1865 true whelk
Colwellia sp. Nuttall and Cooper 1973 true whelk | |
Polinices onustus n. sp., Polinices aff. aratus, Amaurellina plummeri n. sp., Natica moffitti n. sp., Natica sp., Sinum taylori n. sp.
Polinices aff. aratus moon snail
Natica sp. Scopoli 1777 moon snail | |
Amaea macula n. sp.
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Solariorbis conicus n. sp., Solariorbis discoides n. sp.
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Ringicula trapaquara snail | |
Acteon pomilius, "Semiacteon texanum n. sp." = Semiactaeon
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Pyramidella tundrae n. sp., Odostomia ova n. sp.
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Pseudomalaxis reklawensis n. sp., Architectonica aldrichi n. sp., Architectonica geminicostata n. sp.
Architectonica geminicostata n. sp. sundial Architectonica (Granosolarium) geminicostata Garvie, 1996
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Mathilda cribraea n. sp., Mathilda iugum n. sp.
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