Honeycut Fm., between zones g and j exclusive (Ordovician of the United States)

Where: Texas (30.3° N, 97.7° W: paleocoordinates 21.7° S, 88.9° W)

• coordinate based on political unit

When: Honeycut Formation, Early/Lower Ordovician (485.4 - 470.0 Ma)

• "L. Ord., b/w Zones G and J, exclusive"

Environment/lithology: peritidal; dolomite

• "dolomitic. peritidal? BA1.

Size class: macrofossils

Primary reference: P. E. Cloud, V. E. Barnes, and W. H. Haas. 1957. Devonian-Mississippian Transition in Central Texas. Geological Society America Bulletin 68(7):807-816 [M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 293: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "cloud and Barnes 1957"
Trilobita
 Proetida - Bathyuridae
Jeffersonia sp. Poulson 1927 trilobite
Bathyurellus sp. Billings 1865 trilobite
originally entered as "Bathyurellas sp."
Rananasus sp. Cullison 1944 trilobite
Rhynchonellata
 Pentamerida - Syntrophiidae
 Orthida - Finkelnburgiidae
Finkelnburgia sp. Walcott 1905
originally entered as "Finkelnbergia sp."
Paragastropoda
 Mimospirida - Onychochilidae
Onychochilus sp. Lindström 1884
Rostroconchia
 Conocardiida - Eopteriidae
Eopteria sp. Billings 1865
Gastropoda
 Euomphalina - Holopeidae
Raphistomina sp. Ulrich and Scofield 1897 snail
 Euomphalina - Helicotomidae
"Polhemia sp." = Lophonema
"Polhemia sp." = Lophonema Purdue and Miser 1916 snail
 Euomphalina - Lesueurillidae
Lesueurilla sp. Koken 1898 snail
 Euomphalina - Ophiletidae
"Barnesella sp." = Lecanospira
"Barnesella sp." = Lecanospira Butts 1926 snail
 Euomphalina - Raphistomatidae
Ceratopea sp. Ulrich 1911 snail
Orospira sp. Butts 1926 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Plethospira sp. Ulrich and Scofield 1897 snail
Cephalopoda
 Endocerida - Proterocameroceratidae
Cotteroceras sp. Ulrich and Foerste 1936
Mcqueenoceras sp. Ulrich and Foerste 1936
 Endocerida - Piloceratidae
Allopiloceras sp. Ulrich and Foerste 1936
 Tarphycerida - Tarphyceratidae
Moreauoceras sp. Cullison 1944
Tarphyceras sp. Hyatt 1894
 Tarphycerida - Estonioceratidae
Aphetoceras sp. Hyatt 1894
 Orthoceratoidea - Protocycloceratidae
Cyptendoceras sp. Ulrich and Foerste 1936
Demospongea
 Lithistida - Anthaspidellidae
Archaeoscyphia sp. Hinde 1889 demosponge