[Last updated 14 Jan 2024]

Phylum: Mollusca

Class: Gastropoda
Order: Prosobranchia

Family: Meekospiridae Family: Sphaerodomidae  
Meekospira sp.

Strata: Garner (Mingus shale) 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Palo Pinto Co., TX. Feb. 2, 2008.
Sphaerodoma sp.?

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Dec. 19, 2009.
Sphaerodoma sp.?

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Young Co., TX. Aug. 12, 2007. 
Family: Goniasmatidae Family: Goniasmatidae Family: Goniasmatidae
Goniasma lasallensis

Strata: 
Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Aug. 12, 2007.
Goniasma lasallensis

Strata: ??
Period: Pennsylvanian  (c. 300 mya)
Loc: Wise Co., TX.  Sept. 5, 2009.
Hermosanema sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Young Co., TX.  Aug. 12, 2007.

Class: Gastropoda
Order: Murchisoniina

Family: Lophospiridae Family: Zygopleuridae Family: Gosseletinidae
Worthenia tabulata

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 27, 2008.
Zygopleura sp.

Strata: Mineral Wells
Period: Pennsylvanian  (c. 300 mya)
Loc: Palo Pinto, Tx.  Dec. 27, 2006.
Ananias welleri

Formation: Willow Point??
Period:  Pennsylvanian  (c. 300 mya)
Loc: Wise Co., TX. Sept. 5, 2009.
Family:  Soleniscidae Family: Eotomariidae Family: Zygopleuridae
Strobeus sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Trepospira depressa

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept 27, 2008.
 
Zygopleura sp.

Strata: 
Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Aug. 12, 2007.
The main difference between Worthenia tabulata and Ananias welleri
is that Worthenia tabulata has bumps around the edge of the shell and
Ananias welleri
lacks those bumps.  Thanks to Clint G for clarification.

 


Class: Gastropoda
Order: Murchisoniina
Family: Phanerotrematidae

Glabrocinculum grayvillense 

(Phanerotrema grayvillense)
Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept 27, 2008.
Glabrocinculum grayvillense 

(Phanerotrema grayvillense)
Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept 27, 2008.
Glabrocinculum grayvillense 

(Phanerotrema grayvillense)
Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept 27, 2008.
Glabrocinculum grayvillense

(Phanerotrema grayvillense)

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Glabrocinculum grayvillense

(Phanerotrema grayvillense)
Strata: Graham
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX.  Feb. 20, 2010.
Glabrocinculum grayvillense 

(Phanerotrema grayvillense)
Strata: Graham
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.



Class: Gastropoda
Order: Pleurotomarioidea

Family: Phymatopleuridae 
Phymatopleura sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Phymatopleura sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Phymatopleura sp.

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Dec. 19, 2009.
Family:  Portlockiellidae 
Shansiella sp.

Strata: Garner (Mingus shale) 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Palo Pinto Co., TX. Jan. 15, 2011.
?? Shansiella ??

Strata: 
Period:  Pennsylvanian  (c. 300 mya)
Loc
 


Class: Gastropoda
Order: Euomphalina
Family: Euomphalidae

Straparollus sp.

Strata: Graham (Finis shale)
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept 27, 2008.
Straparollus sp.

Strata: Graham (Finis shale)
Period: Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sep. 19, 2009.
Straparollus sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX.  Feb. 20, 2010.

Class: Gastropoda
Order: Euomphalina
Family: Omphalotrochidae

Cinclidonema texanum

Strata: Willow Point ??
Period: Pennsylvanian  (c. 300 mya)
Loc: Wise Co., TX. Sept. 5, 2009.
Cinclidonema texanum  

Strata: Willow Point ??
Period: Pennsylvanian  (c. 300 mya)
Loc: Wise Co., TX. Sept. 5, 2009.
unknown

Strata: Willow Point ??
Period: Pennsylvanian  (c. 300 mya)
Loc: Wise Co., TX.
Similar to Cyclonema seen in much older deposits.

Class: Gastropoda
Order: Bellerophontida

Family: Bellerophontidae
Pharkidonotus sp.
side
Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Pharkidonotus sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Pharkidonotus sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Family: Euphemitidae
Euphemites sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Euphemites sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Euphemites sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Sept. 26, 2010.
Family: Bucaniidae
Patellostium sp.
side
Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Patellostium sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.
Patellostium sp.

Strata: Graham 
Period:  Pennsylvanian  (c. 300 mya)
Loc: Jack Co., TX. Feb. 20, 2010.