AMONG MY TRILOBITES
THE DEVONIAN Part 2PHACOPIDA
AGAIN, TO LEARN ABOUT AN ORDER, CLICK ON ITS NAME FOR A TRIP TO SAM GON'S WEBSITE, THEN USE YOUR BACK BUTTON TO RETURN HERE.
PHACOPIDA ORDER
Suborder: Phacopina
Superfamily: Acastoidea
Family: Acastidae
9cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
8cm total Morocco
8.5cm total with spines Al-Nif, Morocco
5.5 cm (including pygidial spines) Hamar L'Aghdad limestone; Djebel Issoumour, Atlas Mountains, Morocco
3.5cm Hamar L'Aghdad limestone; Djebel Issoumour, Atlas Mountains, Morocco
Formerly "Kayserops" 3.5cm Hamar L'Aghdad Limestone; Djebel issoumour, Atlas Mountains, Morocco
(previously "Treveropyge"): 6cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
2.3cm Morocco
2.5cm Windom Shale; Rochester, New York
Superfamily: Dalmanitoidea
Family: Dalmanitidae
5.1 cm Al-Nif Morocco
Surface close-up showing the prominent tuberculation of the prosopon. The term 'prosopon' refers to fine surface ornamentation on the shell.
8.5cm Al-Nif, Morocco Now called Zlivochaspis
3.7cm (pygidium missing) Cravat member, Bois D'Arc formation Clarita, Coal County, Oklahoma
4.6cm Haragan Formation: Clarita, Coal County, Oklahoma
7.6cm Onandaga (Needmore) Shale, Perry County, Pennsylvania
Family: Calmoniidae
4cm Belen, Bolivia
Superfamily: Phacopoidea
Family: Phacopidae
3.7cm Windom Shale; Penn Dixie Quarry, Hamburg, NY
3.3 cm Haragan Formation, Clarita, Coal County, Oklahoma
3.2cm Cravat member, Bois D'Arc formation, Clarita, Coal County, Oklahoma
5.3 cm Hunsruck Shale, Bundenbach, Germany
5cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
Dorsal view above and lateral below
5.5 cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
8.6 cm (including spine) Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
13.5cm Morocco
10.5cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
3 cm Hunan, China
Suborder: Calymenina
Family: Homolonotidae
10cm Al-Nif, Morocco
6.3cm Skaneateles formation, Madison County, New York
Suborder: Cheirurina
Family: Cheiruridae
previously "Crotalocephalus: 6.7cm Hamar L'Aghdad limestone; Djebel Issoumour area, Atlas Mountains, Morocco
previously "Cyrtometopus": 8.2cm Hamar Laghdad formation; Hamar Laghdad, Morocco
To see the Home Page
To see the Cambrian Period Part 1: Agnostida and Redlichiida
To see the Cambrian Period Part 2: Ptychopariida
To see the Cambrian Period Part 3: Asaphida, Corynexochida and Friends
To see the Ordovician Period Part 1 Asaphida
To see the Ordovician Period Part 2 Lichida, Phacopida, Corynexochida, Ptychoparidia and Proetida
To see the Silurian Period
To see the Devonian Period Part 1 : Lichida, Corynexochida, Proetida and Harpetida
To see the Carboniferous Period, the Permian Period, some Trilo-trivia and Links
