Latest Imageshttps://www.thefossilforum.com/gallery/album/3636-pennsylvania-silurian/Latest ImagesenRose Hill mass mortality platehttps://www.thefossilforum.com/gallery/image/64179-rose-hill-mass-mortality-plate/ Mass mortality plate (positive and negative sides) 

Assorted genera, including 

Tentaculites (straight-shelled lophophorate), Camarotoechia (a rhynchonellid brachiopod),  and Mastigobolbina (ostracod).

Clinton Group, Rose Hill Formation

Early Silurian, Llandovery, Telychian, ~434ma.

Collected May 2025

Rose Hill mass mortality plate

]]>64179Sun, 01 Jun 2025 03:07:10 +0000Trimerus delphinocephalushttps://www.thefossilforum.com/gallery/image/64178-trimerus-delphinocephalus/ Yellow box added for ease of locating. 
Homalonotid trilobite segment

Trimerus delphinocephalus 

Clinton Group, Rose Hill Formation, uncertain sandstone member.

Early Silurian, Llandovery, Telychian, ~434 ma

Juniata County, PA

Collected May 2025

 

Trimerus delphinocephalus

]]>64178Sun, 01 Jun 2025 02:49:00 +0000Liocalymene cresapensishttps://www.thefossilforum.com/gallery/image/64177-liocalymene-cresapensis/ Calymenid trilobite pygidia and homalonotid trilobite segments

Liocalymene cresapensis & Trimerus delphinocephalus

Clinton Group, Rose Hill Formation, undetermined sandstone member  

Early Silurian, Llandovery, Telychian, ~434 ma

Juniata County, PA

Collected May 2025

Liocalymene cresapensis

]]>64177Sun, 01 Jun 2025 03:08:02 +0000