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

Bivalvia
Pectinida - Buchiidae	"Aucella "n. sp. B"" = Buchia, Aucella krotovi, Aucella subokensis, Aucella fischeri, Aucella occidentalis n. sp., Buchia uncitoides¹, "Aucella piochii" = Buchia piochii, "Aucella subinflata" = Buchia piochii, "Aucella stantoni" = Buchia piochii, "Aucella tenuicollis" = Buchia piochii, "Aucella hyatti" = Buchia piochii, "Aucella russiensis" = Buchia piochii, "Aucella trigonoides" = Buchia trigonoides, Buchia aff. okensis² "Aucella "n. sp. B"" = Buchia Rouillier 1845 scallop Aucella krotovi Pavlow 1907 scallop Aucella subokensis Pavlow 1907 scallop Aucella fischeri Pavlow 1907 scallop Aucella occidentalis n. sp. Anderson 1945 scallop Buchia uncitoides¹ Pavlow 1907 scallop UCMP loc. B-5120 "Aucella piochii" = Buchia piochii Gabb 1864 scallop "Aucella subinflata" = Buchia piochii Gabb 1864 scallop "Aucella stantoni" = Buchia piochii Gabb 1864 scallop "Aucella tenuicollis" = Buchia piochii Gabb 1864 scallop "Aucella hyatti" = Buchia piochii Gabb 1864 scallop "Aucella russiensis" = Buchia piochii Gabb 1864 scallop "Aucella trigonoides" = Buchia trigonoides Lahusen Smith 1894 scallop Buchia aff. okensis² Pavlow 1907 scallop USGS loc. M1574 and USGS loc. M2253
Myalinida - Inoceramidae	Inoceramus stantoni, Inoceramus scotti Inoceramus stantoni Anderson 1945 clam Inoceramus scotti Anderson 1945 clam
Cephalopoda
Ammonitida - Olcostephanidae	Spiticeras cf. obliquenodosum¹ Spiticeras cf. obliquenodosum¹ Retowski 1893 ammonite USGS loc. M1574 and USGS loc. M2253
Ammonitida - Bochianitidae	Bochianites glennensis n. sp. Bochianites glennensis n. sp. Anderson 1945 ammonite CAS loc. 28037
Ammonitida - Himalayitidae	"Aulacosphinctes reedi n. sp." = Parodontoceras reedi, "Aulacosphinctes watsonensis n. sp." = Parodontoceras reedi, ? Aulacosphinctes cf. diabloensis, Aulacosphinctes jenkinsi n. sp., "Aulacosphinctes taffi n. sp." = Protacanthodiscus taffi "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 cf. diabloensis Anderson 1945 ammonite Aulacosphinctes jenkinsi n. sp. Anderson 1945 ammonite CAS loc. 28037 "Aulacosphinctes taffi n. sp." = Protacanthodiscus taffi Anderson 1945 ammonite
Ammonitida - Neocomitidae	Distoloceras sp., "Protacanthodiscus crossi" = Neocosmoceras crossi, Substeueroceras stantoni n. sp., "Substeueroceras cf. kellumi" = Substeueroceras koeneni¹, Blanfordiceras sp.¹, Blanfordiceras californicum n. sp.¹ Distoloceras sp. Hyatt 1900 ammonite "Protacanthodiscus crossi" = Neocosmoceras crossi Anderson 1945 ammonite Substeueroceras stantoni n. sp. Anderson 1945 ammonite CAS loc. 28037 "Substeueroceras cf. kellumi" = Substeueroceras koeneni¹ Steuer 1897 ammonite CAS loc. 28037 Blanfordiceras sp.¹ Cossman 1907 ammonite UCMP loc. B-5120 Blanfordiceras californicum n. sp.¹ Imlay and Jones 1970 ammonite UCMP loc. B-5120
Ammonitida - Crioceratitidae	"Crioceras sp." = Crioceratites "Crioceras sp." = Crioceratites Leveillé 1837 ammonite
Ammonitida - Lytoceratidae	Lytoceras huberti n. sp., Lytoceras colusaense¹ Lytoceras huberti n. sp. Anderson 1945 ammonite Lytoceras colusaense¹ 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 knoxvillensis n. sp." = Cylindroteuthis knoxvillensis, "Cylindroteuthis klamathonae n. sp." = Cylindroteuthis knoxvillensis, Cylindroteuthis clavicula n. sp., Cylindroteuthis occidentalis n. sp., Cylindroteuthis porrectiformis n. sp., Cylindroteuthis glennensis n. sp. ? Acroteuthis watsonensis n. sp. Anderson 1945 belemnite Acroteuthis watsonae on p. 942 "Cylindroteuthis knoxvillensis n. sp." = Cylindroteuthis knoxvillensis Anderson 1945 belemnite "Cylindroteuthis klamathonae n. sp." = Cylindroteuthis knoxvillensis Anderson 1945 belemnite Cylindroteuthis clavicula n. sp. Anderson 1945 belemnite Cylindroteuthis occidentalis n. sp. Anderson 1945 belemnite Cylindroteuthis porrectiformis n. sp. Anderson 1945 belemnite Cylindroteuthis glennensis n. sp. Anderson 1945 belemnite
Gastropoda
Cerithioidea - Cerithiidae	"Cerithium paskentaensis" = Cerithium paskentaense "Cerithium paskentaensis" = Cerithium paskentaense Stanton 1895 cerith snail
Heterostropha - Nerineidae	Itieria californica n. sp. Itieria californica n. sp. Anderson 1945 snail
Cylindroteuthis tehamaensis
-	"Cylindroteuthis tehamaensis" = Arctoteuthis tehamaensis "Cylindroteuthis tehamaensis" = Arctoteuthis tehamaensis Stanton 1895

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