鏡眼蟲（學名：）是生存於晚奧陶紀至晚泥盆紀的一屬三葉蟲，生活在溫暖的淺海中。這類三葉蟲有著向前擴展延長的凸狀眉間。巨大的眼睛使其視力較佳。胸部分為12節，每節都有許多面，讓牠們能更容易地捲曲身體以躲避危險。尾甲比頭部小得多，其上有深溝，結核上的刻紋成了表皮上的裝飾。

物種 

 Phacops accipitrinus (Phillips, 1841)
 Phacops algericus Alberti, 1983
 Phacops breviceps Barrande, 1846
 Phacops chlupaci Alberti, 1983
 Phacops circumspectans Paeckelmann, 1913
 Phacops degener Barrande, 1852
 Phacops fecundus
 Phacops fragosus Struve, 1970
 Phacops granulatus (Munster, 1840) 異名 Calymene granulata, P. posidoniae
 Phacops hoseri Hawle & Corda, 1847
 Phacops iowensis Delo, 1935
 Phacops imitator Struve, 1970
 Phacops kockeli Alberti, 1968
 Phacops latifrons (Bronn, 1825) 異名 Calymene latifrons
 Phacops maurulus 
 Phacops modestus Barrande 
 Phacops platilegnotor
 Phacops salteri Kozlowski, 1923
 Phacops sartenaeri Struve, 1985
 Phacops sobolevi Kielan, 1954
 Phacops sternbergi
 Phacops turco Richter & Richter
 Phacops wedekindi Richter & Richter, 1926
 Phacops zinkeni F.A. Roemer, 1843

重新分配的物種 
以下的物種現時已被置入其他屬。 
 Phacops acuticeps = Acuticryphops acuticeps
 Phacops arcticus = Acernaspis arctica
 Phacops asper = Ananaspis aspera
 Phacops birdsongensis = Paciphacops birdsongensis
 Phacops boecki = Boeckops boecki
 Phacops braziliensis = Phacopidina braziliensis
 Phacops bronni = Reedops bronni
 Phacops bulliceps = Eophacops bulliceps
 Phacops caecus = Trimerocephalus caecus 
 Phacops caffer = Metacryphaeus caffer
 Phacops cambelli = Paciphacops cambelli
 Phacops claviger = Paciphacops claviger 
 Phacops caudatus = Dalmanites caudatus
 Phacops constrictus = Acastoides constrictus
 Phacops coronatus = Heliocephalus coronatus
 Phacops cristatus bombifrons = Viaphacops bombifrons 
 Phacops cristatus cristatus = Viaphacops cristatus
 Phacops crossleii = Paciphacops crossleii 
 Phacops cryptophthalmoides = Trimerocephalus cryptophthalmoides
 Phacops cryptophthalmus = Cryphops cryptophthalmus
 Phacops cultifrons = Eophacops trapeziceps
 Phacops dagincourti = Bouleia dagincourti
 Phacops deshayesi = Zeliszkella deshayesi 
 Phacops downingiae var. α. vulgaris = Acaste downingiae
 Phacops downingiae var. β. macrops = Acastocephala macrops
 Phacops downingiae var. γ. inflatus = Acaste inflata
 Phacops ensae = Weyerites ensae
 Phacops fecundus = Ananaspis fecunda
 Phacops fecundus minor = Lochkovella minor
 Phacops ferdinandi = Chotecops ferdinandi
 Phacops glaber = Eophacops glaber
 Phacops glockeri = Phacopidella glockeri
 Phacops grimbergi = Lochkovella grimbergi
 Phacops handwerki = Eophacops handwerki
 Phacops hanusi = Lochkovella hanusi
 Phacops hoeninghausi = Prokops hoeninghausi 
 Phacops hudsonicus = Paciphacops hudsonicus 
 Phacops incisus = Nephranops incisus
 Phacops khatangensis = Acernaspis khatangensis
 Phacops kayseri = Eocryphops kayseri
 Phacops lacunosus = Trimerocephalus lacunosus
 Phacops latigenalis = Paciphacops latigenalis
 Phacops latilimbatus = Cryphops latilimbatus
 Phacops lentiginosus = Trimerocephalus lentiginosus
 Phacops limbatus = Dianops limbatus
 Phacops logani = Paciphacops logani
 Phacops lopatini = Monorakos lopatini
 Phacops mancus = Eophacops mancus
 Phacops marklandensis = Acernaspis marklandensis
 Phacops mastophthalmus = Trimerocephalus mastophthalmus
 Phacops metacernaspis = generic assignment uncertain
 Phacops michelini = Pseudocryphaeus michelini
 Phacops microps = Kainops microps
 Phacops milleri = Eldredgeops milleri
 Phacops miser = Lochkovella miser
 Phacops musheni = Eophacops musheni
 Phacops nudus = generic assignment uncertain
 Phacops ocellus = Hadrorachus ocellus
 Phacops opitzi = Chotecops opitzi 
 Phacops orestes = Acernaspis orestes
 Phacops orientalis = Ananaspis orientalis
 Phacops parabolus = Phillipsinella parabola
 Phacops phillipsi = Kloucekia phillipsi
 Phacops primaevus = Acernaspis primaeva
 Phacops prokopi = Prokops prokopi  
 Phacops pulcellus = Acernaspis pulcella
 Phacops quadrilineatus = Acernaspis quadrilineata
 Phacops rana = Eldredgeops rana 
 Phacops raymondi = Kainops raymondi
 Phacops schlosseri = Struveops schlosseri
 Phacops serratus = Paciphacops serratus
 Phacops schlotheimi = Geesops schlotheimi
 Phacops socialis = Dalmanitina socialis
 Phacops speculator = Austerops speculator
 Phacops sphaericeps = Dereimsia sphaericeps
 Phacops steinachensis = Trimerocephalus steinachensis
 Phacops stellifer = Greenops (Neometacanthus) stellifer
 Phacops stokesii = generic assignment uncertain
 Phacops straitonensis = Podowrinella straitonensis
 Phacops trapeziceps = Eophacops trapeziceps
 Phacops veles = Kainops veles
 Phacops vodorezovi = Trimerocephalus vodorezovi
 Phacops volborthi = Denckmannites volborthi
 Phacops wocklumeriae = Weyerites wocklumeriae

參考文獻

外部連結 
 

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