Fig 3 
4. 
Fig 5 
Vig. 6. 
Vig. 9 
Fig. 10. 
Vig. ial. 
Vig. fs 
Fig. 3. 
PLATE XXIII. 
LEPERDITIA ALTOIDES ND. Sp............. silelleie hei(el alte os) le) oles 
. A left valve. Flatbrookville, Locality 109 B. (x2%). 
. A right valve. Same locality. (x2%). 
BEY RICETATS USS EXE IN SES Mpg sree (oles lchiols ioe loa! ee) siielane cee ee 
A left valve. Nearpass section, Locality 2A.° (x4). 
A left valve. Nearpass section, Locality 2A." (x6). 
BEYRICHIA JERSEYENSIS . Sp...... saoogs S30 op OnIO CoG oe 
A left valve. Nearpass section, Locality 2A. (x5). 
BEYRICHTAs PE RUNETATAG SIS) cette sis (oles totalenela\ ols el cite srolsialelle ° 
A right valve. Nearpass section, Locality 2A.% (x4). 
BEYRICHTA NEARPA SS 2 SST SD eel susierenste cuevelsietelie teehee eee eee 
. A left and a right valve. Nearpass section, Locality 
Diana aa ((XAG)) 
BEYRICHIA BARRETTI N. Sp........ esos e sisiyaniey stshi= fs s\iei'eialfenrs 
. A right valve. Nearpass section, Locality 2A.* (x5). 
BER CEGUAS eVEAINIE LEN STS) ME Spiele oisie: tails! slic ia) ote reteledcl siieiarsirotelieire . 
A left valve. Nearpass section, Locality 2A." (x4). 
BEYRICHIA DECKERENSIS WL. SP... 2... see c ccc swnc eves . 
A right valve. Nearpass section, Locality 2A.% (x4). 
BYTHOCY.PRIS, NEARPASSE Te (SPieec 2-0 eae ace Second Stans 
A lJateral and an end view of a complete individual. Near- 
pass section, Locality 2A.” (xT). 
LEPERDITIA ELONGATA N. Sp....... Se SEER Bittern Maes 
A right valve. Nearpass section, Locality 2A.’ (x2). 
LEPERDITAIGTGAN THAN Ms SPem stele mcleiss =lelcleieie ener rene 2 
A left valve. Nearpass section, Locality 2A.“ (Nat. 
size). 
WYATTELEA TANEREOSA, Me SDsasch oaeicieein eet reas % 
Pedicle, brachial, lateral and anterior views of a complete 
individual. Nearpass section, Locality 2A.“ (x2). 
(421) 
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