PBDB Collection

USGS Mesozoic loc. M2253, Watson Creek (Jurassic of the United States)

Also known as USGS Mesozoic loc. M1574; USGS Mesozoic loc. M3030; CAS loc. 28037; UCMP loc. B-5120

Where: Glenn County, California (39.7° N, 122.5° W: paleocoordinates 35.7° N, 69.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Buchia aff. B. okensis zone, Tithonian (152.1 - 145.0 Ma)

• Buchia aff. B. okensis zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, green sandstone

• From 425 ft of greenish-gray sandstone.

Size class: macrofossils

Collected by D. L. Jones in 1964; reposited in the USNM

Primary reference: F. M. Anderson. 1945. Knoxville series in the California Mesozoic. Geological Society America Bulletin 56(10):909-1014 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 224818: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Ammonitida - Olcostephanidae	Spiticeras cf. obliquenodosum¹ Spiticeras cf. obliquenodosum¹ Retowski 1893 ammonite USGS loc. M1574 and USGS loc. M2253
Ammonitida - Crioceratitidae	"Crioceras sp." = Crioceratites "Crioceras sp." = Crioceratites Leveillé 1837 ammonite
Ammonitida - Himalayitidae	Aulacosphinctes jenkinsi n. sp., ? Aulacosphinctes cf. diabloensis, "Aulacosphinctes reedi n. sp." = Parodontoceras reedi, "Aulacosphinctes watsonensis n. sp." = Parodontoceras reedi, "Aulacosphinctes taffi n. sp." = Protacanthodiscus taffi Aulacosphinctes jenkinsi n. sp. Anderson 1945 ammonite CAS loc. 28037 ? Aulacosphinctes cf. diabloensis Anderson 1945 ammonite "Aulacosphinctes reedi n. sp." = Parodontoceras reedi Anderson 1945 ammonite CAS loc. 28037 and USGS loc. M2253 and M3030 "Aulacosphinctes watsonensis n. sp." = Parodontoceras reedi Anderson 1945 ammonite not described in text "Aulacosphinctes taffi n. sp." = Protacanthodiscus taffi Anderson 1945 ammonite
Ammonitida - Neocomitidae	"Substeueroceras cf. kellumi" = Substeueroceras koeneni¹, Substeueroceras stantoni n. sp., "Protacanthodiscus crossi" = Neocosmoceras crossi, Blanfordiceras sp.¹, Blanfordiceras californicum n. sp.¹, Distoloceras sp. "Substeueroceras cf. kellumi" = Substeueroceras koeneni¹ Steuer 1897 ammonite CAS loc. 28037 Substeueroceras stantoni n. sp. Anderson 1945 ammonite CAS loc. 28037 "Protacanthodiscus crossi" = Neocosmoceras crossi Anderson 1945 ammonite Blanfordiceras sp.¹ Cossman 1907 ammonite UCMP loc. B-5120 Blanfordiceras californicum n. sp.¹ Imlay and Jones 1970 ammonite UCMP loc. B-5120 Distoloceras sp. Hyatt 1900 ammonite
Ammonitida - Lytoceratidae	Lytoceras huberti n. sp., Lytoceras colusaense¹ Lytoceras huberti n. sp. Anderson 1945 ammonite Lytoceras colusaense¹ Anderson 1945 ammonite CAS loc. 28037
Ammonitida - Bochianitidae	Bochianites glennensis n. sp. Bochianites glennensis n. sp. Anderson 1945 ammonite CAS loc. 28037
Phylloceratida - Phylloceratidae	Phylloceras knoxvillense, Phylloceras glennense n. sp. Phylloceras knoxvillense Stanton 1895 ammonite CAS loc. 28037 Phylloceras glennense n. sp. Anderson 1945 ammonite CAS loc. 28037
Belemnitida - Belemnitidae	? Acroteuthis watsonensis n. sp., Cylindroteuthis porrectiformis n. sp., Cylindroteuthis glennensis n. sp., Cylindroteuthis clavicula n. sp., "Cylindroteuthis knoxvillensis n. sp." = Cylindroteuthis knoxvillensis, "Cylindroteuthis klamathonae n. sp." = Cylindroteuthis knoxvillensis, Cylindroteuthis occidentalis n. sp. ? Acroteuthis watsonensis n. sp. Anderson 1945 belemnite Acroteuthis watsonae on p. 942 Cylindroteuthis porrectiformis n. sp. Anderson 1945 belemnite Cylindroteuthis glennensis n. sp. Anderson 1945 belemnite Cylindroteuthis clavicula n. sp. Anderson 1945 belemnite "Cylindroteuthis knoxvillensis n. sp." = Cylindroteuthis knoxvillensis Anderson 1945 belemnite "Cylindroteuthis klamathonae n. sp." = Cylindroteuthis knoxvillensis Anderson 1945 belemnite Cylindroteuthis occidentalis n. sp. Anderson 1945 belemnite
Bivalvia
Pectinida - Buchiidae	"Aucella trigonoides" = Buchia trigonoides, Buchia aff. okensis², Buchia uncitoides¹, "Aucella "n. sp. B"" = Buchia, Aucella krotovi, Aucella occidentalis n. sp., Aucella fischeri, Aucella subokensis, "Aucella piochii" = Buchia piochii, "Aucella tenuicollis" = Buchia piochii, "Aucella stantoni" = Buchia piochii, "Aucella russiensis" = Buchia piochii, "Aucella subinflata" = Buchia piochii, "Aucella hyatti" = Buchia piochii "Aucella trigonoides" = Buchia trigonoides Lahusen Smith 1894 scallop Buchia aff. okensis² Pavlow 1907 scallop USGS loc. M1574 and USGS loc. M2253 Buchia uncitoides¹ Pavlow 1907 scallop UCMP loc. B-5120 "Aucella "n. sp. B"" = Buchia Rouillier 1845 scallop Aucella krotovi Pavlow 1907 scallop Aucella occidentalis n. sp. Anderson 1945 scallop Aucella fischeri Pavlow 1907 scallop Aucella subokensis Pavlow 1907 scallop "Aucella piochii" = Buchia piochii Gabb 1864 scallop "Aucella tenuicollis" = Buchia piochii Gabb 1864 scallop "Aucella stantoni" = Buchia piochii Gabb 1864 scallop "Aucella russiensis" = Buchia piochii Gabb 1864 scallop "Aucella subinflata" = Buchia piochii Gabb 1864 scallop "Aucella hyatti" = Buchia piochii Gabb 1864 scallop
Myalinida - Inoceramidae	Inoceramus stantoni, Inoceramus scotti Inoceramus stantoni Anderson 1945 clam Inoceramus scotti Anderson 1945 clam
Gastropoda
Heterostropha - Nerineidae	Itieria californica n. sp. Itieria californica n. sp. Anderson 1945 snail
Cerithioidea - Cerithiidae	"Cerithium paskentaensis" = Cerithium paskentaense "Cerithium paskentaensis" = Cerithium paskentaense Stanton 1895 cerith snail
Cylindroteuthis tehamaensis
-	"Cylindroteuthis tehamaensis" = Arctoteuthis tehamaensis "Cylindroteuthis tehamaensis" = Arctoteuthis tehamaensis Stanton 1895

¹Imlay and Jones 1970; ²Jones et al. 1969