NO. 2 BRACHIOPOD SUPERFAMILY STENOSCISMATACEA GRANT 



145 



underside of hinge plate in apex; intercamarophorial plate low, in- 

 creasing in height toward anterior, occupying less than one-third length 

 of camarophorium ; length of top of camarophorium slightly more than 

 one-third length of valve, terminating somewhat farther anterior than 

 pedicle spondylium ; median septum extending 2 or 3 mm. along floor 

 of valve, only about one-third length of camarophorium, with concave 



Table 31. — Measurements of Stenoscisma schlotheimi from the Middle Zcchstein 

 near Pbssneck, Thuringia, (East) Germany 



Measurements, in millimeters 



anterior edge, leaving greater part of length of camarophorium unsup- 

 ported ; crura extending anteriorly from hinge plate, slightly divergent, 

 curving ventrally slightly more than top of camarophorium, thus di- 

 verging from camarophorium toward anterior, length about equal to 

 length of camarophorium. 



Comparisons. — Stenoscisma schlotheimi is characterized by its small 

 size, transverse outline, short, sharp pedicle beak, prominent fold, 

 rounded costae greatly variable in number, and a stolidium that is 

 directed mostly toward the anterior, from the anterolateral flanks and 



