About this Database | Brochosomes Homepage
© 2006 R. Rakitov, Illinois Natural History Survey
Browse by genus Acrogonia Cuerna Dayoungia Dichrophleps Egidemia Homalodisca Hyogonia Molomea Oncometopia Pamplona Paraquichira Phera Propetes Pseudophera Quichira Tapajosa
General shape all spherical longest particles 1.1-4.0X longer than wide longest particles >5X longer than wide disk-shaped or irregular, hard to measure
General sculpture with lattice of distinct close-set depressions smooth, with irregular widely spaced pits
Types of surface depressions large craters & small pits on ridges between them only one type of depressions
Bottoms of depressions lined with granules smooth or too small to see
Sculpture of tips distinct from reticulate middle part same as elsewhere (or broch. spherical)
Flatness noticeably flattened not flattened (cylindrical or spherical)
Shape of tips at least in some particles strongly expanded same width or narrower than at middle
Size of longest particles <15 microns >15 microns
Unique features fine parallel grooves on depression-free surface brochosomes wormlike, irregularly bent large breaches none of these
Acrogonia citrina Marucci et Cavichioli - 7 images
Acrogonia flagellata Young - 6 images
Acrogonia gracilis Osborn - 4 images
Acrogonia sp. - 23 images
Acrogonia sp. cf. flavoscutellata (Signoret) - 8 images
Acrogonia sp. cf. obscurior (Fowler) - 5 images
Acrogonia virescens Metcalf - 9 images
Cuerna alba Oman et Beamer - 33 images
Cuerna alpina Oman et Beamer - 18 images
Cuerna alta Oman et Beamer - 7 images
Cuerna arida Oman et Beamer - 27 images
Cuerna balli Oman et Beamer - 6 images
Cuerna curvata Oman et Beamer - 5 images
Cuerna emeljanovi Krishnankutty et Rakitov - 8 images
Cuerna lyrifora Krishnankutty et Rakitov - 3 images
Cuerna obtusa Oman et Beamer - 7 images
Cuerna occidentalis Oman et Beamer - 13 images
Cuerna sayi Nielson - 9 images
Cuerna sp. cf. angusta Nielson - 4 images
Cuerna striata (Walker) - 44 images
Cuerna unica Nielson - 28 images
Cuerna yuccae Oman et Beamer - 10 images
Dayoungia virescens Kramer - 10 images
Dichrophleps despecta Melichar - 8 images
Dichrophleps sp. - 1 image
Dichrophleps sp. - 22 images
Dichrophleps sp. cf. aurea (F.) - 5 images
Egidemia fowleri (Distant) - 4 images
Egidemia inflata Young - 5 images
Egidemia paranceps Young - 4 images
Egidemia sp. 1 - 4 images
Egidemia sp. 2 - 5 images
Egidemia sp. 3 - 3 images
Egidemia sp. cf. paranceps Young - 7 images
Homalodisca apicalis Schmidt - 7 images
Homalodisca hambletoni Young - 10 images
Homalodisca ichthyocephala (Signoret) - 36 images
Homalodisca ignorata Melichar - 8 images
Homalodisca ignota Melichar - 5 images
Homalodisca insolita (Walker) - 14 images
Homalodisca liturata Ball - 16 images
Homalodisca lucernaria (L.) - 28 images
Homalodisca noressa Young - 35 images
Homalodisca sp. - 3 images
Homalodisca vitripennis (Germar) - 45 images
Hyogonia sp. - 4 images
Molomea alternata (Signoret) - 6 images
Molomea consolida Schröder - 14 images
Molomea fatalis Bonfils et Perthuis - 2 images
Molomea hamleti (Distant) - 8 images
Molomea magna (Walker) - 9 images
Molomea malkini Young - 3 images
Molomea personata (Signoret) - 12 images
Molomea sp. cf. lineiceps Young - 4 images
Molomea sp. cf. magna (Walker) - 5 images
Molomea virescens (Distant) - 9 images
Oncometopia (Similitopia) alpha Fowler - 5 images
Oncometopia (Similitopia) miniatipennis Fowler - 4 images
Oncometopia (Similitopia) sp. - 6 images
Oncometopia capricornis Schröder - 4 images
Oncometopia clarior (Walker) - 6 images
Oncometopia cordata Melichar - 4 images
Oncometopia nigerrima Schröder - 3 images
Oncometopia nigricans (Walker) - 10 images
Oncometopia obtusa (F.) - 7 images
Oncometopia orbona (F.) - 48 images
Oncometopia rubescens (Fowler) - 4 images
Oncometopia sp. - 16 images
Oncometopia sp. cf. clarior (Walker) - 17 images
Oncometopia sp. cf. herpes Signoret - 9 images
Oncometopia sp. cf. obtusa (F.) - 3 images
Oncometopia sp. cf. parallela (Walker) - 3 images
Oncometopia sp. cf. tartarea (Stål) - 3 images
Oncometopia sp. cf. venosula Distant - 4 images
Oncometopia sp. undescribed - 15 images
Pamplona feralis (Fowler) - 5 images
Pamplona spatulata Young - 3 images
Paraquichira costaricensis Rakitov & Godoy - 13 images
Phera sp. cf. aterrima Fowler - 15 images
Propetes compressa Walker - 6 images
Pseudophera sp. - 1 image
Pseudophera sp. cf. atra (Walker) - 6 images
Pseudophera sp. cf. contraria (Walker) - 6 images
Quichira gracilis Rakitov & Godoy - 5 images
Quichira parallela Rakitov & Godoy - 10 images
Quichira tegminis Young - 8 images
Tapajosa fulvopunctata (Signoret) - 2 images
Tapajosa ocellata (Osborn) - 2 images
Tapajosa spinata Young - 7 images