bed 31, milepost 5 roadcut section: Virgilian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Athyridida - Athyrididae
Composita subtilita (Hall 1852)
1 specimen
Strophomenata - Productida - Linoproductidae
Linoproductus sp. (Chao 1927)
30 specimens
Strophomenata - Productida - Paucispiniferidae
Hystriculina wabashensis (Norwood and Pratten 1855)
1 specimen
Chileata - Dictyonellida - Isogrammidae
Isogramma sp.
2 specimens
Bivalvia - Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866
4 specimens
Bivalvia - Myalinida - Myalinidae
Myalinella aff. meeki (Dunbar 1924)
52 specimens
Bivalvia - Ostreida - Pinnidae
Aviculopinna sp. Meek 1864
7 specimens
Bivalvia - Ostreida - Pterineidae
Leptodesma (Leptodesma) sp. Hall 1883
1 specimen
Bivalvia - Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851
3 specimens
Bivalvia - Cardiida - Kalenteridae
Permophorus spp.
10 specimens
Bivalvia - Grammysiidae
Sedgwickia topekaensis (Shumard 1860)
121 specimens
Bivalvia - Trigoniida - Schizodidae
? Schizodus sp. King 1844
8 specimens
Bivalvia - Nuculanida - Polidevciidae
Polidevcia arata (Hall 1852)
270 specimens
Bivalvia - Nuculida - Nuculidae
Nuculavus arcuatus
1 specimen
Nuculopsis cf. anodontoides (Meek 1871)
5 specimens
recombined as Economolopsis anodontoides
Cephalopoda - Nautilida - Tainoceratidae
Metacoceras sp. Hyatt 1883
3 specimens
Cephalopoda - Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras knoxense (McChesney 1859)
2 specimens
Gastropoda - Bellerophontida
Bellerophontoidea indet. (M'Coy 1851)
7 specimens
Gastropoda - Bellerophontida - Euphemitidae
Euphemites cf. enodis Sturgeon 1964
1 specimen
Gastropoda - Bellerophontida - Bellerophontidae
Retispira espinasa Kues 2004
230 specimens
Retispira tenuilineata (Gurley 1884)
6 specimens
original and current combination Bellerophon tenuilineata
Bellerophon (Bellerophon) cf. graphicus (Moore 1941)
3 specimens
original and current combination Bellerophon graphicus
Pharkidonotus sp. Girty 1912
2 specimens
Gastropoda - Euomphalina - Microdomatidae
Amaurotoma cf. subsinuata (Meek and Worthen 1860)
1 specimen
Gastropoda - Murchisoniina - Gosseletinidae
Hypselentoma perhumerosa (Meek 1872)
49 specimens
Glabrocingulum (Glabrocingulum) beedei (Mark 1912)
3 specimens
recombined as Glabrocingulum beedei
Glabrocingulum (Ananias) sp. (Knight 1945)
1 specimen
original and current combination Ananias
Baylea aff. supercrenata (Weller 1929)
1 specimen
Gastropoda - Murchisoniina - Phymatopleuridae
Worthenia speciosa (Meek and Worthen 1860)
1 specimen
Gastropoda - Naticopsidae
Naticopsis sp. M'Coy 1844
11 specimens
Colpites monilifera (White 1880)
72 specimens
Gastropoda - Cerithimorpha - Orthonemidae
Hypergonia informal n. sp.
3 specimens
Gastropoda - Pseudozygopleuridae
Pseudozygopleura (Pseudozygopleura) sp. Knight 1930
14 specimens
Pseudozygopleura (Pseudozygopleura) spp.
12 specimens
small specimens
Gastropoda - Goniasmatidae
Goniasma lasallensis (Worthen 1890)
41 specimens
recombined as Goniasma lasallense
Gastropoda - Orthonematidae
Taosia crenulata Girty 1939
91 specimens
recombined as Stegocoelia (Taosia) crenulata
see common names

Geography
Country:United States State/province:New Mexico County:Lincoln
Coordinates: 33.4° North, 105.9° West (view map)
Paleocoordinates:1.9° South, 37.6° West
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Pennsylvanian
Stage:Gzhelian 10 m.y. bin:Carboniferous 5
Key time interval:Virgilian Conodont zone: Idiognathodus lobulatus
Age range of interval:303.70000 - 298.90000 m.y. ago
Stratigraphy
Formation:Holder
Local section:Milepost 5 Local bed:50 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: = Streptognathodus deflectus zone.
Lithology and environment
Primary lithology:gray calcareous mudstone
Lithology description: 1-m-thick (3-ft-thick) dark-gray calcareous mudstone within a regressive interval approximately 50 m (164 ft) above the base of the section
Environment:carbonate indet.
Geology comments: The Holder Formation along Dry Canyon consists of a cyclic succession of Virgilian marine siliciclastics, marine carbonates, and nonmarine siliciclastics, including a large basal algal bioherm complex, deposited on a narrow shelf just west of the shoreline of the Pedernal land mass.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:UNM
Metadata
Database number:146819
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2013-06-30 09:06:57 Last modified:2013-06-29 18:06:57
Access level:the public Released:2013-06-30 09:06:57
Creative Commons license:CC BY
Reference information

Primary reference:
47420. B. S. Kues. 2004. Marine invertebrate assemblages from the Late Pennsylvanian (Virgilian) Holder Formation, Dry Canyon, Sacramento Mountains, south-central New Mexico. New Mexico Geology 26(2):43-53 [P. Wagner/P. Wagner]